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v3.21.1

CONDENSED 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 |  |  | 97 |  | 97
Share based compensation expense and stock units vested (in shares) | 17,143 |  |  |  |
Purchase of treasury stock |  | (682) |  |  | (682)
Net income |  |  |  | 9,025 | 9,025
Ending Balance at Mar. 31, 2020 | $ 25 | (3,742) | 175,164 | 59,382 | 230,829
Ending Balance (in shares) at Mar. 31, 2020 | 24,637,222 |  |  |  |
Beginning Balance at Dec. 31, 2020 | $ 25 | (4,477) | 175,293 | 88,352 | $ 259,193
Beginning Balance (in shares) at Dec. 31, 2020 | 24,639,125 |  |  |  | 24,639,125
Share based compensation expense and stock units vested |  |  | 44 |  | $ 44
Share based compensation expense and stock units vested (in shares) | 8,571 |  |  |  |
Net income |  |  |  | 9,024 | 9,024
Ending Balance at Mar. 31, 2021 | $ 25 | $ (4,477) | $ 175,337 | $ 97,376 | $ 268,261
Ending Balance (in shares) at Mar. 31, 2021 | 24,647,696 |  |  |  | 24,647,696

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