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STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($)
$ in Thousands
Common Stock
Treasury stock
Additional paid-in-capital
Retained earnings
Total
Beginning Balance at Dec. 31, 2019 $ 25 $ (3,060) $ 175,067 $ 50,357 $ 222,389
Beginning Balance (in shares) at Dec. 31, 2019 24,620,079        
Share based compensation expense and stock units vested     226   226
Share based compensation expense and stock units vested (in shares) 19,046        
Purchase of treasury stock   (1,417)     (1,417)
Net income       37,995 37,995
Ending Balance at Dec. 31, 2020 $ 25 (4,477) 175,293 88,352 $ 259,193
Ending Balance (in shares) at Dec. 31, 2020 24,639,125       24,639,125
Share based compensation expense and stock units vested     230   $ 230
Share based compensation expense and stock units vested (in shares) 15,496        
Proceeds from exercise of stock options     100   100
Net income       49,871 49,871
Ending Balance at Dec. 31, 2021 $ 25 $ (4,477) $ 175,623 $ 138,223 $ 309,394
Ending Balance (in shares) at Dec. 31, 2021 24,654,621       24,654,621