XML 76 R61.htm IDEA: XBRL DOCUMENT v3.7.0.1
STOCK OPTIONS - NARRATIVE (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jul. 31, 2015
Jul. 31, 2012
Oct. 30, 2007
Dec. 31, 2001
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Option expiration period (in years) 10 years            
Option vesting period (in years) 7 years            
Aggregate intrinsic value of all stock options outstanding and expected to vest $ 4,150,334 $ 102,992          
Aggregate intrinsic value of currently exercisable stock options $ 1,574,318 $ 11,250          
Closing stock price for computation of intrinsic value (in dollars per share) $ 3.59 $ 2.10          
Number of in-the-money options outstanding and exercisable 1,211,014 410,715          
Intrinsic value of options exercised $ 119,026 $ 51,575 $ 229,135        
Proceeds from stock options exercised 12,300 209,250 87,475        
Intrinsic value of options granted 1,516,125 932,771 1,107,180        
Fair value of option shares vested $ 612,464 $ 412,638 $ 637,000        
Shares issued in stock swaps 9,614 33,520 73,699        
Value of stock swaps, net $ 12,300   $ 80,475        
Unrecognized stock-based compensation cost $ 1,200,000            
Unrecognized stock-based compensation cost, recognition period (in years) 4 years            
Common Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares received in stock swaps 26,636 80,980 33,301        
Stock Option              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares received in stock swaps 36,250 114,500 107,000        
2001 Executive and Employee Stock Option Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized under common stock option plans             1,200,000
2003 Executive and Employee Stock Option Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized under common stock option plans           1,700,000  
2012 Share Incentive Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized under common stock option plans         750,000    
Remaining shares for issuance (in shares) 37,000            
2015 Executive and Employee Stock Option Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares authorized under common stock option plans       2,000,000      
Remaining shares for issuance (in shares) 693,078