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Income Taxes (Details 1) - USD ($) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Taxes [Abstract] |  |  |  |
Computed expected tax expense (benefit) |  | $ 701,607 | $ (86,853) | $ 69,788
State income taxes, net of federal expense (benefit) |  | 32,699 | (6,968) | 8,482
Share-based compensation |  | (7,524) | 10,201 | 10,526
Research and development tax credit |  | (42,664) | (19,405) | (21,887)
State income tax rate change, net of federal | [1] | 109,112 | 0 | 0
Other |  | 57,079 | 14,733 | 20,956
Total income tax (benefit) expense |  | $ 850,309 | $ (88,292) | $ 87,865
[1] | This impact is due to the actual state tax rate in 2015 being lower than the expected state tax rate used in computing prior deferred taxes.

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