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CONCENTRATIONS -Summary of revenue from different industries (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Revenue By Different Industries [Line Items]    
Revenues by industries $ 602,607 $ 542,496
Staffing
   
Revenue By Different Industries [Line Items]    
Revenues by industries 16,697 27,670
Transportation
   
Revenue By Different Industries [Line Items]    
Revenues by industries 161,874 156,279
Service
   
Revenue By Different Industries [Line Items]    
Revenues by industries 353,862 351,016
Other
   
Revenue By Different Industries [Line Items]    
Revenues by industries $ 70,174 $ 7,081