Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2014 10,196,510   534,000    
Balance at Dec. 31, 2014 $ 10,197 $ 21,420,975 $ (791,638) $ (5,012,181) $ 15,627,353
Stock-based compensation expense 825,145 825,145
Issuance of common stock (in shares) 2,613,636      
Issuance of common stock $ 2,614 13,020,981 13,023,595
Issuance of vested restricted stock (in shares) 259,589      
Issuance of vested restricted stock $ 260 $ (260)
Exercise of stock options $ 445      
Exercise of stock options (in shares) 534 534
Net loss $ (8,797,321) $ (8,797,321)
Balance (in shares) at Dec. 31, 2015 13,070,180   534,000    
Balance at Dec. 31, 2015 $ 13,070 35,267,376 $ (791,638) (13,809,502) 20,679,306
Stock-based compensation expense 1,123,481 1,123,481
Issuance of common stock (in shares) 46,948        
Issuance of common stock $ 47 99,953 100,000
Issuance of vested restricted stock (in shares) 162,441        
Issuance of vested restricted stock $ 162 $ (162)
Exercise of stock options $ 37,824        
Exercise of stock options (in shares) 38 70,893 70,931
Net loss $ (15,173,872) $ (15,173,872)
Balance (in shares) at Dec. 31, 2016 13,317,393   296,504    
Balance at Dec. 31, 2016 $ 13,317 36,398,588 $ (503,118) (28,983,374) 6,925,413
Issuance of common stock, offering costs adjustment (1,042) (1,042)
Purchases of treasury stock under employee stock plans $ (83,391) $ (83,391)
Purchases of treasury stock under employee stock plans (in shares)     13,376   13,376
Sale of treasury stock $ (161,911) $ 371,911 $ 210,000
Sale of treasury stock (in shares)     (250,872)