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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)

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