XML 67 R56.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity (Details) - Stock Option [Member] - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Weighted Average Exercise Price      
Outstanding balance, Weighted Average Exercise Price $ 3.42 $ 3.3 $ 3.13
Grants, Weighted Average Exercise Price 7.4 4.69 4.67
Terminations, Weighted Average Exercise Price 4.95 5.75 3.15
Exercises, Weighted Average Exercise Price 4.29 3.15 3.11
Outstanding balance, Weighted Average Exercise Price 3.57 $ 3.42 $ 3.3
Exercisable, Weighted Average Exercise Price $ 2.9    
Aggregate Intrinsic Value      
Outstanding balance, Aggregate Intrinsic Value $ 364,000 $ 223,000 $ 185,000
Outstanding balance, Aggregate Intrinsic Value 945,000 $ 364,000 $ 223,000
Exercisable, Aggregate Intrinsic Value $ 803,000    
2000 Plan [Member]      
Stock Option Plans      
Balance, Outstanding 157,500 157,500 163,500
Grants 0 0 0
Terminations 0 0 0
Exercises (26,000) 0 (6,000)
Ending balance, Outstanding 131,500 157,500 157,500
Balance, Exercisable 131,500    
Aggregate Intrinsic Value      
Reserved for future grants 0    
2010 Plan [Member]      
Stock Option Plans      
Balance, Outstanding 95,500 73,500 49,500
Grants 16,000 25,000 26,000
Terminations (3,000) (2,000) (1,000)
Exercises (2,000) (1,000) (1,000)
Ending balance, Outstanding 106,500 95,500 73,500
Balance, Exercisable 41,500    
Aggregate Intrinsic Value      
Reserved for future grants 189,500