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Stock Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]    
Stock option grants $ 17 $ 24
Restricted stock awards 135 47
Employee stock grant 50 530
Annual director stock award 0 0
Stock based compensation expense $ 202 $ 601