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Income Taxes (Details 1) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Income Taxes [Abstract] |  |  |
Computed expected tax expense |  | $ 257,829 | $ 701,607
State income taxes, net of federal expense |  | 38,855 | 44,754
Share-based compensation |  | 13,362 | (7,524)
Tax credits |  | (70,967) | (54,719)
State income tax rate change, net of federal | [1] |  | 109,112
Other |  | 10,795 | 57,079
Total income tax expense |  | $ 249,874 | $ 850,309
Computed expected tax expense, rate |  | 34.00% | 34.00%
State income taxes, net of federal expense, rate |  | 5.12% | 2.17%
Share-based compensation, rate |  | 1.76% | (0.36%)
Tax credits, rate |  | (9.36%) | (2.65%)
State income tax rate change, net of federal, rate | [1] |  | 5.29%
Other, rate |  | 1.43% | 2.76%
Total income tax expense, rate |  | 32.95% | 41.21%
[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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