XML 62 R49.htm IDEA: XBRL DOCUMENT v3.3.1.900
2004 Plan Outstanding Options Rollforward (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Shares    
Balance at January 1 1,891,058 1,659,170
Granted 316,600 382,000
Exercised (91,333) (31,475)
Canceled (93,972) (118,637)
Balance at December 31 2,022,353 1,891,058
Exercisable 1,547,485  
Unvested 474,868  
Weighted Average Exercise Price    
Balance at January 1 $ 2.09 $ 2.47
Granted 2.25 1.41
Exercised 1.71 1.50
Canceled 2.01 2.65
Balance at December 31 2.15 $ 2.09
Exercisable 2.32  
Unvested $ 1.42  
Outstanding, Remaining contractual term 5 years 9 months 29 days  
Outstanding, Intrinsic value $ 879,566  
Exercisable, Remaining contractual term 5 years  
Exercisable, Intrinsic value $ 627,777  
Unvested, Remaining contractual term 8 years 8 months 1 day  
Unvested, Intrinsic value $ 251,789