Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock Plans and Non-Qualified Option Agreement (Details) - Summary of the Company’s Total Stock Plans

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Note 6 - Stock Plans and Non-Qualified Option Agreement (Details) - Summary of the Company’s Total Stock Plans (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Summary of the Company’s Total Stock Plans [Abstract]        
Options outstanding 300,800 [1] 390,800 [2] 362,800 528,800
Options outstanding $ 9.85 [1] $ 9.98 [2] $ 9.53 $ 9.82
Options outstanding 2 years 292 days [1] 3 years [2]    
Options outstanding $ 41,070 [1]    [2]    
Options Exercisable at June 30 300,800 [1] 350,800 [2]    
Options Exercisable at June 30 $ 9.85 [1] $ 10.23 [2]    
Options Exercisable at June 30 2 years 292 days [1] 2 years 328 days [2]    
Options Exercisable at June 30 41,070 [1]    [2]    
Options Vested and expected to be vested at June 30 300,800 390,800    
Options Vested and expected to be vested at June 30 $ 9.85 $ 9.98    
Options Vested and expected to be vested at June 30 2 years 292 days 3 years    
Options Vested and expected to be vested at June 30 $ 41,070      
Forfeited (62,000) (138,000)    
Forfeited $ 7.96 $ 9.36    
[1] Options with exercise prices ranging from $2.79 to $14.75
[2] Options with exercise prices ranging from $5.50 to $14.75