Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Capital Stock, Stock Plans and Stock Based Compensation (Details) - Company Stock Plan

v3.2.0.727
Note 4 - Capital Stock, Stock Plans and Stock Based Compensation (Details) - Company Stock Plan - USD ($)
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Company Stock Plan [Abstract]    
Options outstanding, share 239,023 362,800
Options outstanding, weighted average exercise price $ 7.81 $ 9.53
Granted, Shares 0 0
Granted, Weighted Average Exercise Price $ 0 $ 0
Exercised, shares (2,388) 0
Exercised, weighted average exercise price $ 2.79 $ 0
Exercised, aggregate intrinsic value $ 3,248 $ 0
Forfeited/expired, shares (15,000) (62,000)
Forfeited/expired, weighted average exercise price $ 7.10 $ 7.96
Options outstanding end of period, shares [1] 221,635 300,800
Options outstanding end of period, Weighted Average Exercise Price [1] $ 7.91 $ 9.85
Options outstanding end of period, Weighted Average Remaining Contractual Term [1] 4 years 255 days 2 years 292 days
Options outstanding end of period, Aggregate Intrinsic Value [1] $ 18,869 $ 41,070
Exercisable, shares [1] 166,635 300,800
Exercisable, weighted average exercise price [1] $ 8.88 $ 9.85
Exercisable, weighted average remaining contractual term [1] 4 years 219 days 2 years 292 days
Exercisable, aggregate intrinsic value [1] $ 18,869 $ 41,070
Vested/expect to be vested, shares 212,835 300,800
Vested/expect to be vested, weighted average exercise price $ 8.04 $ 9.85
Vested/expect to be vested, weighted average remaining contractual term 4 years 255 days 2 years 292 days
Vested/expect to be vested, aggregate intrinsic value $ 18,869 $ 41,070
[1] Options with exercise prices ranging from $2.79 to $14.75