XML 17 R5.htm IDEA: XBRL DOCUMENT v3.21.2
CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (Unaudited) - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Retained Earnings
Treasury Stock
Total
Balance at Dec. 31, 2019 $ 191 $ 35,215 $ 318,572 $ (12,777) $ 341,201
Balance (in shares) at Dec. 31, 2019 18,141,383        
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options, net   (428)   428  
Exercise of stock options, net (in shares) 30,545        
Stock-based compensation expense   873     873
Net income     2,020   2,020
Balance at Mar. 31, 2020 $ 191 35,660 320,592 (12,349) 344,094
Balance (in shares) at Mar. 31, 2020 18,171,928        
Balance at Dec. 31, 2019 $ 191 35,215 318,572 (12,777) 341,201
Balance (in shares) at Dec. 31, 2019 18,141,383        
Increase (Decrease) in Stockholders' Equity          
Net income         8,418
Balance at Sep. 30, 2020 $ 191 37,466 326,990 (11,117) 353,530
Balance (in shares) at Sep. 30, 2020 18,260,072        
Balance at Mar. 31, 2020 $ 191 35,660 320,592 (12,349) 344,094
Balance (in shares) at Mar. 31, 2020 18,171,928        
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options, net   (552)   246 (306)
Exercise of stock options, net (in shares) 17,634        
Stock-based compensation expense   981     981
Net income     (4,347)   (4,347)
Balance at Jun. 30, 2020 $ 191 36,089 316,245 (12,103) 340,422
Balance (in shares) at Jun. 30, 2020 18,189,562        
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options, net   402   986 1,388
Exercise of stock options, net (in shares) 70,510        
Stock-based compensation expense   897     897
Capital contribution   78     78
Net income     10,745   10,745
Balance at Sep. 30, 2020 $ 191 37,466 326,990 (11,117) 353,530
Balance (in shares) at Sep. 30, 2020 18,260,072        
Balance at Dec. 31, 2020 $ 191 34,498 342,250 (8,872) $ 368,067
Balance (in shares) at Dec. 31, 2020 18,426,130       18,426,130
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options, net   1,143   1,266 $ 2,409
Exercise of stock options, net (in shares) 91,831        
Stock-based compensation expense   1,280     1,280
Net income     8,154   8,154
Balance at Mar. 31, 2021 $ 191 36,921 350,404 (7,606) 379,910
Balance (in shares) at Mar. 31, 2021 18,517,961        
Balance at Dec. 31, 2020 $ 191 34,498 342,250 (8,872) $ 368,067
Balance (in shares) at Dec. 31, 2020 18,426,130       18,426,130
Increase (Decrease) in Stockholders' Equity          
Net income         $ 48,617
Balance at Sep. 30, 2021 $ 191 39,423 390,867 (6,086) $ 424,395
Balance (in shares) at Sep. 30, 2021 18,630,776       18,630,776
Balance at Mar. 31, 2021 $ 191 36,921 350,404 (7,606) $ 379,910
Balance (in shares) at Mar. 31, 2021 18,517,961        
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options, net   675   1,106 1,781
Exercise of stock options, net (in shares) 81,555        
Stock-based compensation expense   1,247     1,247
Net income     18,149   18,149
Balance at Jun. 30, 2021 $ 191 38,843 368,553 (6,500) 401,087
Balance (in shares) at Jun. 30, 2021 18,599,516        
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options, net   8   414 422
Exercise of stock options, net (in shares) 31,260        
Stock-based compensation expense   572     572
Net income     22,314   22,314
Balance at Sep. 30, 2021 $ 191 $ 39,423 $ 390,867 $ (6,086) $ 424,395
Balance (in shares) at Sep. 30, 2021 18,630,776       18,630,776