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Supplemental disclosure of cash flow and non-cash investing and financing activities (Details) (USD $) | 6 Months Ended
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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 |

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