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v3.21.1

Capital Stock - Equity Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | $ 22,057 | $ 21,785 | $ 21,785
Purchases to cover stock compensation taxes | 33 | 32 |
Ending Balance | 18,931 | 18,775 | 22,057
Ending Balance | $ 22,057 | $ 18,775 | $ 21,785
Treasury Stock |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance (in shares) | 113,283 | 105,285 | 105,285
Beginning Balance | $ (181) | $ (165) | $ (165)
Purchases to cover stock compensation taxes (in shares) |  |  | 8,000
Purchases to cover stock compensation taxes |  |  | $ (16)
Ending Balance (in shares) | 113,283 | 105,285 | 113,283
Ending Balance | $ (181) | $ (172) | $ (181)
Ending Balance | $ (181) | $ (165) | $ (181)

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