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Schedule of Components of Restricted Stock liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Restricted Stock Liabilities |  |
Restricted stock liabilities (before imputed interest) | $ 2,307 | $ 3,801
Less imputed interest | (155) | (177)
Present value of restricted stock liabilities | 2,152 | 3,624
Less payments during the years | (2,152) | (1,472)
Restricted stock liabilities at end of year (reflected in accrued expenses and other) |  | $ 2,152

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