XML 82 R69.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note O - Stock Options - Option Activity (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Outstanding (in shares) 341,663 364,930
Outstanding, weighted average exercise price (in dollars per share) $ 3.99 $ 3.87
Granted (in shares) 1,234,167 27,087
Granted, weighted average exercise price (in dollars per share) $ 2.69 $ 2.74
Exercise of stock options (in shares) 4,167 0
Exercised, weighted average exercise price (in dollars per share) $ 2.16
Forfeited (in shares) (72,224) (10,419)
Forfeited, weighted average exercise price (in dollars per share) $ 2.62 $ 2.16
Expired (in shares) (21,946) (39,935)
Expired, weighted average exercise price (in dollars per share) $ 8.86 $ 2.50
Outstanding (in shares) 1,477,493 341,663
Outstanding, weighted average exercise price (in dollars per share) $ 2.91 $ 3.99
Outstanding, weighted average remaining life (Year) 5 years 233 days 4 years 83 days
Outstanding, aggregate intrinsic value $ 0 $ 53,936
Exercised (in shares) (4,167) 0
Vested or expected to vest at December 31, 2017 (in shares) 1,083,691  
Vested or expected, weighted average exercise price (in dollars per share) $ 2.98  
Vested or expected to vest, weighted average remaining life (Year) 5 years 156 days  
Vested or expected to vest, aggregate intrinsic value $ 0  
Exercisable at December 31, 2017 (in shares) 261,294  
Options exercisable, weighted average exercise price (in dollars per share) $ 3.96  
Exercisable, weighted average remaining life (Year) 3 years 32 days  
Exercisable, aggregate intrinsic value $ 0  
The1999 Stock Option Plan [Member]    
Outstanding (in shares) 20,834
Granted (in shares)
Exercise of stock options (in shares)
Forfeited (in shares)
Expired (in shares) (20,834)
Outstanding (in shares)
Exercised (in shares)
The2004 Stock Option Plan [Member]    
Outstanding (in shares) 69,380 85,008
Granted (in shares)
Exercise of stock options (in shares)
Forfeited (in shares)
Expired (in shares) (17,084) (15,628)
Outstanding (in shares) 52,296 69,380
Exercised (in shares)
The 2015 Equity Incentive Plan [Member]    
Outstanding (in shares) 25,003
Granted (in shares) 64,167 27,087
Exercise of stock options (in shares)
Forfeited (in shares) (7,084) (2,084)
Expired (in shares)
Outstanding (in shares) 82,086 25,003
Exercised (in shares)
Non Plan [Member]    
Outstanding (in shares) 247,280 259,088
Granted (in shares) 1,170,000
Exercise of stock options (in shares) 4,167
Forfeited (in shares) (65,140) (8,335)
Expired (in shares) (4,862) (3,473)
Outstanding (in shares) 1,343,111 247,280
Exercised (in shares) (4,167)