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Income Taxes Deferred income taxes (Details) (USD $) | Dec. 31, 2011 | Dec. 31, 2010
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Deferred Tax Liability Not Recognized [Line Items] |  |
Accumulated net operating losses (tax effected) | $ 17,816,700 | $ 17,236,000
Deferred revenue | 212,900 | 149,000
Contingent accounts payable | 13,800 | 26,000
Share-based compensation | 3,917,400 | 2,393,000
Charitable contributions | 408,200 | 176,000
Bad debt provision | 107,300 | 17,000
Goodwill | 0 | 164,000
Goodwill | (3,303,000) | 0
Other | 48,500 | 0
Deferred tax assets prior to tax credit carryovers | 22,524,800 | 20,161,000
Accumulated depreciation | (155,100) | (80,000)
Deferred Tax Liabilities, Undistributed Foreign Earnings | (2,138,500) | 0
Deferred tax liabilities | (5,596,600) | (80,000)
Valuation reserve | (20,702,900) | (20,081,000)
Net deferred tax liability | $ (3,774,700) | $ 0

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