STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
Preferred Stock
Common Stock
Additional Paid In Capital.
Retained Earnings
Accumulated Other Comprehensive (loss) Income
Total
Balances at Dec. 31, 2013 $ 140 $ 700 $ 2,346,137 $ 3,074,883 $ 924 $ 5,422,784
Increase (Decrease) in Stockholders' Equity            
Net income       2,050,366   2,050,366
Other comprehensive loss         (22,397) (22,397)
Stock - based compensation     724,063     724,063
Tax benefits credited to equity     165,228     165,228
Exercise of stock options and warrants   10 104,990     105,000
Issuance of common stock pursuant to initial public offering   232 14,489,768     14,490,000
Common stock issuance costs and underwriter fees     (2,044,348)     (2,044,348)
Conversion of preferred stock $ (140) 140        
Balances at Dec. 31, 2014   1,082 15,785,838 5,125,249 (21,473) 20,890,696
Increase (Decrease) in Stockholders' Equity            
Net income       7,529,920   7,529,920
Other comprehensive loss         (33,812) (33,812)
Stock - based compensation     1,220,118     1,220,118
Tax benefits credited to equity     1,728,595     1,728,595
Exercise of stock options and warrants   36 597,472     597,508
Balances at Dec. 31, 2015   $ 1,118 $ 19,332,023 $ 12,655,169 $ (55,285) $ 31,933,025