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Consolidated Statements Of Shareholders' Equity (Deficit) - USD ($)
$ in Thousands
Common Stock
Treasury Stock
Additional Paid-In Capital
Retained Earnings (Deficit)
Total
Balance, Treasury Shares   (7,555,000)      
Balance at Dec. 31, 2016 $ 6,611 $ (37,933) $ 70,268 $ (39,304) $ (358)
Balance, Shares at Dec. 31, 2016 66,110,000        
Shares issued - stock-based compensation $ 33   6   39
Shares issued - stock-based compensation, Shares 334,000        
Stock-based compensation expense     977   977
Treasury stock acquired   $ (20)     (20)
Treasury stock acquired, Shares   (26,000)      
Net income       9,651 9,651
Balance at Dec. 31, 2017 $ 6,644 $ (37,953) 71,251 (29,653) 10,289
Balance, Shares at Dec. 31, 2017 66,444,000 (7,581,000)      
Shares issued - stock-based compensation $ 73 $ 177 287   537
Shares issued - stock-based compensation, Shares 724,000 35,000      
Stock-based compensation expense     820   820
Treasury stock acquired   $ (51)     (51)
Treasury stock acquired, Shares   (26,000)      
Net income       98,232 98,232
Balance at Dec. 31, 2018 $ 6,717 $ (37,827) 72,358 68,579 $ 109,827
Balance, Shares at Dec. 31, 2018 67,168,000        
Balance, Treasury Shares   (7,572,000)     (7,572,251)
Shares issued - stock-based compensation $ 50   206   $ 256
Shares issued - stock-based compensation, Shares 506,000 (10,000)      
Stock-based compensation expense     985   985
Treasury stock acquired   $ (3,602)   (309) (3,911)
Treasury stock acquired, Shares   (2,067,000)      
Net income       2,563 2,563
Balance at Dec. 31, 2019 $ 6,767 $ (41,429) $ 73,549 $ 70,833 $ 109,720
Balance, Shares at Dec. 31, 2019 67,674,000        
Balance, Treasury Shares   (9,649,000)     (9,649,216)