v2.4.0.6
Accrued Expenses (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Accrued Expenses [Line Items]    
Accrued commissions $ 546,754 $ 508,654
Accrued payroll 297,263 270,551
Accrued payroll taxes 1,377,207 [1] 1,099,887 [1]
Accrued vacation 211,760 219,206
Accrued professional fees 46,570 73,607
Total accrued expenses $ 2,479,554 $ 2,171,905
[1] Includes accrual for interest and penalties.