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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Treasury Stock
Additional Paid-In Capital
Retained Earnings (Accumulated Deficit)
Accumulated Other Comprehensive Income (Loss)
Restricted Stock
Restricted Stock
Common Stock
Restricted Stock
Treasury Stock
Beginning balance (in shares) at Dec. 31, 2017   40,393,033 81,052            
Beginning balance at Dec. 31, 2017 $ 190,022 $ 40 $ (666) $ 159,059 $ 31,589 $ 0      
Increase (Decrease) in Stockholders' Equity                  
Foreign currency translation adjustment (313)         (313)      
Vesting of restricted stock (in shares)   177,464              
Proceeds from equity issuance, net of transaction costs (in shares)   21,964              
Employee stock purchase plan issuance 127     127          
Stock-based compensation 2,937     2,937          
Employee stock purchase plan compensation 72     72          
Restricted stock buy back (in shares)   588,200 588,200         29,783 29,783
Restricted stock buy back (1,999)   $ (1,999)       $ (174)   $ (174)
Net income 20,101       20,101        
Ending balance (in shares) at Dec. 31, 2018   39,974,478 699,035            
Ending balance at Dec. 31, 2018 210,773 $ 40 $ (2,839) 162,195 51,690 (313)      
Increase (Decrease) in Stockholders' Equity                  
Foreign currency translation adjustment 272         272      
Vesting of restricted stock (in shares)   260,820         261,000    
Stock-based compensation 2,909     2,909          
Employee stock purchase plan compensation 41     41          
Employee stock purchase plan issuance (in shares)   41,075              
Employee stock purchase plan issuance 78     78          
Restricted stock buy back (in shares)   0 0         41,922 41,922
Restricted stock buy back 0   $ 0       $ (140)   $ (140)
Net income 31,623       31,623        
Ending balance (in shares) at Dec. 31, 2019   40,234,451 740,957            
Ending balance at Dec. 31, 2019 245,556 $ 40 $ (2,979) 165,223 83,313 (41)      
Increase (Decrease) in Stockholders' Equity                  
Foreign currency translation adjustment 464         464      
Stock Issued During Period, Value, Acquisitions 2,061 $ 2   2,059          
Stock Issued During Period, Shares, Acquisitions   1,503,759              
Vesting of restricted stock (in shares)   674,593         675,000    
Stock-based compensation 3,831     3,831          
Employee stock purchase plan compensation 34     34          
Employee stock purchase plan issuance (in shares)   39,634              
Employee stock purchase plan issuance 62     62          
Restricted stock buy back (in shares)   778,300 778,300         99,008 99,008
Restricted stock buy back (1,000)   $ (1,000)       $ (155)   $ (155)
Net income 37,954       37,954        
Ending balance (in shares) at Dec. 31, 2020   41,575,129 1,618,265            
Ending balance at Dec. 31, 2020 $ 288,807 $ 42 $ (4,134) $ 171,209 $ 121,267 $ 423