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Supplemental disclosure of cash flow and non-cash investing and financing activities (Details) (USD $)
 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Supplemental disclosure of cash flow and non-cash investing and financing activities [Abstract]    
Cash paid for interest $ 17,662 $ 5,435
Income taxes paid 50,275 0
Purchases of property, plant and equipment financed via capital leases 107,259 72,302
Stock issuance of 167,086 shares in lieu of Director's fees 0 184,653
Stock Issuance in lieu of Director's fees (in shares)   167,086
Deferred financing costs 27,236 9,537
Beneficial conversion related to line of credit with related party 0 514,456
Stock issuance in connection with Earn-Out Liability of 1,174, 915 shares for 2013 and 2,632,576 shares in 2012 5,792,330 3,185,223
Stock issued for earn-out liability (in shares) 1,174,915 2,632,576
Stock issuance in exchange for convertible debt 5,272,004 0
Stock issued for convertible debt (in shares) 5,272,004  
Cashless exercise of warrants 0 167
Shares issued for Cashless Exercise (in shares)   167,183
Tenant improvement incentive 967,971 0
Amortization of tenant improvements $ 28,895