v2.4.1.9
STOCKHOLDERS' EQUITY (Details) (USD $)
0 Months Ended 6 Months Ended 12 Months Ended
Jul. 08, 2015
Nov. 30, 2015
May 31, 2015
Stockholders Equity [Line Items]      
Number of Common Stock Shares 10,460us-gaap_StockIssuedDuringPeriodSharesNewIssues    
Shares issued to consultants [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   42,746us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
23,250us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
Fair Value at Issuance   $ 242,830us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
$ 215,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
Shares issued to consultants [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 4.30us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
$ 6.20us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued to consultants [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 8.20us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
$ 19.20us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceOneMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued for conversion of convertible notes payable [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   125,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwoMember
40,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwoMember
Fair Value at Issuance   507,146us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwoMember
600,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwoMember
Fair Value at Issuance (per share)   $ 4.10us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwoMember
$ 15.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwoMember
Shares issued in connection with accrued interest on convertible notes [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     791us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThreeMember
Fair Value at Issuance     11,868us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThreeMember
Fair Value at Issuance (per share)     $ 15.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThreeMember
Shares issued in connection with convertible notes [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     8,450us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourMember
Fair Value at Issuance     123,345us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourMember
Fair Value at Issuance (per share)     $ 6.90us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourMember
Shares issued in connection with amendment of convertible notes [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     2,604us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFiveMember
Fair Value at Issuance     16,923us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFiveMember
Fair Value at Issuance (per share)     $ 6.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFiveMember
Shares issued in connection with Series A convertible bonds [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     10,600us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSixMember
Fair Value at Issuance     174,142us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSixMember
Fair Value at Issuance (per share)     $ 6.10us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSixMember
Shares issued in connection with amendment of Series A convertible bonds [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     9,290us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSevenMember
Fair Value at Issuance     93,781us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSevenMember
Shares issued in connection with amendment of Series A convertible bonds [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 6.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSevenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued in connection with amendment of Series A convertible bonds [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 13.90us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSevenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued in connection with Series B convertible bonds [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     9,815us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceEightMember
Fair Value at Issuance     123,505us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceEightMember
Fair Value at Issuance (per share)     $ 12.60us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceEightMember
Shares issued to board and committees members [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   98,500us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
30,250us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
Fair Value at Issuance   502,687us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
283,530us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
Shares issued to board and committees members [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 4.399us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
$ 3.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued to board and committees members [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 8.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
$ 19.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued as interest on debt [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     43,375us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTenMember
Fair Value at Issuance     309,240us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTenMember
Shares issued as interest on debt [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 2.80us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued as interest on debt [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 18.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued to private placement agent [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   9,630us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
1,651us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
Fair Value at Issuance   48,149us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
27,832us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
Shares issued to private placement agent [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 4.9999us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
$ 8.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued to private placement agent [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 5.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
$ 19.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceElevenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued in connection with conversion of accounts payable [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     23,662us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwelveMember
Fair Value at Issuance     215,674us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwelveMember
Shares issued in connection with conversion of accounts payable [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 8.40us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwelveMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued in connection with conversion of accounts payable [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 17.30us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwelveMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued in connection with conversion of Initio promissory notes [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     305,603us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThirteenMember
Fair Value at Issuance     2,290,210us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThirteenMember
Shares issued in connection with conversion of Initio promissory notes [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 6.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThirteenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued in connection with conversion of Initio promissory notes [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 7.501us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceThirteenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued in connection with conversion of accrued interest and interest expense associated with Initio promissory notes [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     30,236us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourteenMember
Fair Value at Issuance     226,189us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourteenMember
Shares issued in connection with conversion of accrued interest and interest expense associated with Initio promissory notes [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 6.50us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourteenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Shares issued in connection with conversion of accrued interest and interest expense associated with Initio promissory notes [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)     $ 7.501us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFourteenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Shares issued for conversion of Series A bonds [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     370,969us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFifteenMember
Fair Value at Issuance     3,709,655us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFifteenMember
Fair Value at Issuance (per share)     $ 10.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceFifteenMember
Shares issued for conversion of Earn-out liability [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     113,405us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSixteenMember
Fair Value at Issuance     340,215us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSixteenMember
Fair Value at Issuance (per share)     $ 3.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSixteenMember
Shares issued in connection with settlement agreement [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     27,500us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSeventeenMember
Fair Value at Issuance     255,750us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSeventeenMember
Fair Value at Issuance (per share)     $ 9.30us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceSeventeenMember
Shares issued as a bonus [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares     22,400us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceEighteenMember
Fair Value at Issuance     188,160us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceEighteenMember
Fair Value at Issuance (per share)     $ 8.40us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceEighteenMember
Shares issued to employees [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   138,300us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineteenMember
 
Fair Value at Issuance   687,928us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineteenMember
 
Shares issued to employees [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 4.30us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineteenMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Shares issued to employees [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 8.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceNineteenMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Shares issued pursuant to acquisition of subsidiary [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   102,460us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyMember
 
Fair Value at Issuance   700,168us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyMember
 
Shares issued pursuant to acquisition of subsidiary [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 4.70us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Shares issued pursuant to acquisition of subsidiary [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 8.20us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Shares issued in connection with extension of Series A convertible bonds [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   4,375us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyOneMember
 
Fair Value at Issuance   23,975us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyOneMember
 
Fair Value at Issuance (per share)   $ 5.48us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyOneMember
 
Shares issued in connection with extension of Series B convertible bonds [Member]      
Stockholders Equity [Line Items]      
Number of Common Stock Shares   1,375us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyTwoMember
 
Fair Value at Issuance   $ 6,875us-gaap_StockIssuedDuringPeriodValueNewIssues
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyTwoMember
 
Shares issued in connection with extension of Series B convertible bonds [Member] | Minimum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 4.999us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyTwoMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Shares issued in connection with extension of Series B convertible bonds [Member] | Maximum [Member]      
Stockholders Equity [Line Items]      
Fair Value at Issuance (per share)   $ 5.00us-gaap_SharesIssuedPricePerShare
/ staf_EquityIssuanceAxis
= staf_EquityIssuanceTwentyTwoMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember