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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Treasury stock
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Beginning balance at Dec. 31, 2012 $ 196,068 $ 22 $ 198,495 $ (25,694) $ 360 $ 22,885
Beginning balance (in shares) at Dec. 31, 2012   22,187,367        
Net income (loss) 6,685         6,685
Other comprehensive income (loss) (441)       (441)  
Equity-based compensation $ 5,920   5,920      
Purchase of Treasury stock, (in shares) (1,257,004) (1,257,004)        
Purchase of Treasury stock $ (19,816) $ (1)   (19,815)    
Issuance of Treasury stock upon exercise of stock-based awards (in shares)   251,367        
Issuance of Treasury stock upon exercise of stock-based awards 2,479 [1]   4,504   (2,025)
Ending balance at Dec. 31, 2013 190,895 $ 21 204,415 (41,005) (81) 27,545
Ending balance (in shares) at Dec. 31, 2013   21,181,730        
Accumulated other comprehensive loss, net (81)          
Net income (loss) (819)         (819)
Other comprehensive income (loss) (355)       (355)  
Equity-based compensation $ 5,011   5,011      
Purchase of Treasury stock, (in shares) (1,227,148) (1,227,148)        
Purchase of Treasury stock $ (18,657) $ (1)   (18,656)    
Issuance of Treasury stock upon exercise of stock-based awards (in shares)   297,908        
Issuance of Treasury stock upon exercise of stock-based awards 2,974 [1]   4,953   (1,979)
Ending balance at Dec. 31, 2014 $ 179,049 $ 20 209,426 (54,708) (436) 24,747
Ending balance (in shares) at Dec. 31, 2014 20,252,490 20,252,490        
Accumulated other comprehensive loss, net $ (436)          
Net income (loss) 6,267         6,267
Other comprehensive income (loss) 17       17  
Equity-based compensation 4,015   4,015      
Tax benefit related to exercise of stock-based awards $ 112   112      
Purchase of Treasury stock, (in shares) (508,931) (508,931)        
Purchase of Treasury stock $ (10,078)     (10,078)    
Issuance of Treasury stock upon exercise of stock-based awards (in shares)   786,374        
Issuance of Treasury stock upon exercise of stock-based awards 6,713 $ 1 (4,809) 12,988   (1,467)
Ending balance at Dec. 31, 2015 $ 186,095 $ 21 $ 208,744 $ (51,798) (419) $ 29,547
Ending balance (in shares) at Dec. 31, 2015 20,529,933 20,529,933        
Accumulated unrealized loss from available-for-sale securities, net of taxes of $66         (427)  
Accumulated unrealized gain from hedging activities, net of taxes of $1         8  
Accumulated other comprehensive loss, net $ (419)       $ (419)  
[1] Represent an amount lower than $1.