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Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Total
Beginning balance, shares at Dec. 31, 2018 58,171,466      
Beginning balance, value at Dec. 31, 2018 $ 582 $ 69,873 $ (43,365) $ 27,090
Stock option expense   343   343
Repurchase of shares for cancellation, shares (38,400)      
Repurchase of shares for cancellation, value $ (1) (12)   (13)
Net loss (3,289) (3,289)
Ending balance, shares at Dec. 31, 2019 58,133,066      
Ending balance, value at Dec. 31, 2019 $ 581 70,204 (46,654) 24,131
Stock option expense   315   315
Repurchase of shares for cancellation, shares (24,700)      
Repurchase of shares for cancellation, value   (5)   (5)
Net loss (939) (939)
Ending balance, shares at Dec. 31, 2020 58,108,366      
Ending balance, value at Dec. 31, 2020 $ 581 $ 70,514 $ (47,593) $ 23,502