XML 97 R83.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 18 - Stock Option and Purchase Plan - Summary of Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Outstanding (in shares) 1,222,000  
Outstanding, weighted average exercise price per share (in dollars per share) $ 3.38  
Granted (in shares) 993,500  
Granted, weighted average exercise price per share (in dollars per share) $ 0.97  
Exercised (in shares) 0 0
Exercised, weighted average exercise price per share (in dollars per share) $ 0  
Forfeited (in shares) (62,500)  
Forfeited, weighted average exercise price per share (in dollars per share) $ 1.95  
Expired (in shares) (244,750)  
Expired, weighted average exercise price per share (in dollars per share) $ 4.14  
Outstanding (in shares) 1,908,250 1,222,000
Outstanding, weighted average exercise price per share (in dollars per share) $ 2.07 $ 3.38
Outstanding, weighted average remaining term (Year) 2 years 197 days  
Outstanding, aggregate intrinsic value $ 0  
Exercisable (in shares) 561,550  
Exercisable, weighted average exercise price per share (in dollars per share) $ 3.52  
Exercisable, weighted average remaining term (Year) 328 days  
Exercisable, aggregate intrinsic value $ 0