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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Retained Earnings
Treasury Stock
Beginning balance (in shares) at Dec. 31, 2018   0 13,005     0
Beginning balance at Dec. 31, 2018 $ 259,232 $ 0 $ 130 $ 107,760 $ 151,342 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Exercise of common stock options (in shares)     56      
Exercise of common stock options 506   $ 1 505    
Compensation expense on common stock options 124     124    
Issuance of restricted stock (in shares)     117      
Compensation expense on restricted common stock 2,458   $ 1 2,457    
Taxes paid related to net shares settlement of equity awards (273)     (273)    
Purchase of treasury shares (in shares)           38
Purchase of treasury shares (490)         $ (490)
Net loss (13,864)       (13,864)  
Ending balance (in shares) at Dec. 31, 2019   0 13,178     (38)
Ending balance at Dec. 31, 2019 247,693 $ 0 $ 132 110,573 137,478 $ (490)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Compensation expense on common stock options 19     19    
Issuance of restricted stock (in shares)     118      
Compensation expense on restricted common stock 2,176   $ 1 2,175    
Taxes paid related to net shares settlement of equity awards (152)     (152)    
Net loss 1,808       1,808  
Ending balance (in shares) at Dec. 31, 2020   0 13,296     (38)
Ending balance at Dec. 31, 2020 $ 251,544 $ 0 $ 133 $ 112,615 $ 139,286 $ (490)