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Unaudited Condensed Statement of Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($)
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance at Dec. 31, 2016 $ 45,032,402 $ 928 $ 88,582,470 $ (43,550,996)
Beginning balance, shares at Dec. 31, 2016   9,275,062    
Stock-based compensation 73,475   73,475  
Exercise of stock options $ 323,651 $ 15 323,636  
Exercise of stock options, shares 155,520 155,520    
Shares issued pursuant to stock awards   $ 6 (6)  
Shares issued pursuant to stock awards, shares   57,475    
Reversal of costs related to secondary offering $ 781   781  
Net income 385,090     385,090
Ending balance at Mar. 31, 2017 $ 45,815,399 $ 949 $ 88,980,356 $ (43,165,906)
Ending balance, shares at Mar. 31, 2017   9,488,057