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Stockholders' Equity - Black-Scholes option pricing assumptions (Details) - Restricted Stock - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
May 31, 2022
Apr. 30, 2022
Dec. 31, 2022
Stockholders' Equity      
Total Number of Shares Purchased 240,000 53,882 293,882
Actual Price Paid Per Share $ 1.49 $ 1.57 $ 1.50
Fair value of Re-Purchased Shares $ 358,000 $ 84,000 $ 442,000