v3.20.4

Stock repurchases (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Jul. 31, 2019
Stock repurchases |  |  |
Number of shares repurchased under the stock repurchase program | 0 | 56,000 |
Cost of shares repurchased under the stock repurchase program |  | $ 745,000 |
Weighted average price of shares repurchased (in USD per share) |  | $ 13.24 |
Maximum |  |  |
Stock repurchases |  |  |
Amount of common stock approved by the entity for a stock repurchase program |  |  | $ 20,000,000

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