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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2021 14 1,365      
Balance at Dec. 31, 2021 $ 680 $ 478 $ 150,900 $ (141,887) $ 10,171
Net Loss       (111) (111)
Stock-based compensation expense related to employee and director stock awards $ 0 $ 0 184 0 184
Balance (in shares) at Dec. 31, 2022 14 2,035      
Balance at Dec. 31, 2022 $ 2,973 $ 652 165,081 (158,152) 10,554
Net Loss 0 0 0 (1,739) (1,739)
Stock-based compensation expense related to employee and director stock awards $ 0 $ 0 $ 75 $ 0 $ 75