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Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Income
Total
Beginning balance, shares at Dec. 31, 2017 58,434,566        
Beginning balance, value at Dec. 31, 2017 $ 584 $ 69,312 $ (40,343) $ 576 $ 30,129
Cumulative-effect adjustment change in accounting principle     576 (576) 0
Beginning balance, shares 58,434,566        
Beginning balance, value $ 584 69,312 (39,767) 0 30,129
Stock option expense   660     660
Repurchase of shares for cancellation, shares (263,100)        
Repurchase of shares for cancellation, value $ (2) (99)     (101)
Net loss (3,598) (3,598)
Ending balance, shares at Dec. 31, 2018 58,171,466        
Ending balance, value at Dec. 31, 2018 $ 582 69,873 (43,365) 0 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) $ 0 $ 24,131