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Consolidated Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] Series C Preferred Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings (Accumulated Deficit) [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member] | Non-Voting Common Stock [Member] | Series C Preferred Stock [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 44 |  | $ 61,706 | $ (12,752) | $ (73) | $ (3,366) |  |  | $ 45,559
Net income |  |  |  | 6,578 |  |  |  |  | 6,578
Other comprehensive income (loss) |  |  |  |  | 97 |  |  |  | 97
Issuance of stock based incentive plan shares, net of forfeitures |  |  |  |  |  |  |  |  |
Restricted stock expense, net of forfeitures |  |  | 390 |  |  |  |  |  | 390
Exercise of warrants to common stock | 1 |  | 1,257 |  |  |  |  |  | 1,258
Accretion of discount and value of warrants exercised |  |  | (219) | 219 |  |  |  |  |
Balance at Sep. 30, 2019 | 45 |  | 63,134 | (5,955) | 24 | (3,366) |  |  | 53,882
Balance at Jun. 30, 2019 | 45 |  | 62,835 | (8,608) | 14 | (3,366) |  |  | 50,920
Net income |  |  |  | 2,617 |  |  |  |  | 2,617
Other comprehensive income (loss) |  |  |  |  | 10 |  |  |  | 10
Restricted stock expense, net of forfeitures |  |  | 136 |  |  |  |  |  | 136
Exercise of warrants to common stock |  |  | 199 |  |  |  |  |  | 199
Accretion of discount and value of warrants exercised |  |  | (36) | 36 |  |  |  |  |
Balance at Sep. 30, 2019 | 45 |  | 63,134 | (5,955) | 24 | (3,366) |  |  | 53,882
Balance at Dec. 31, 2019 | 54 |  | 86,903 | (2,932) | 28 | (3,389) |  |  | 80,664
Net income |  |  |  | 22,260 |  |  |  |  | 22,260
Other comprehensive income (loss) |  |  |  |  | 94 |  |  |  | 94
Issuance of stock based incentive plan shares, net of forfeitures |  |  |  |  |  |  |  |  |
Restricted stock expense, net of forfeitures |  |  | 590 |  |  |  |  |  | 590
Stock options exercised |  |  | 36 |  |  |  |  |  | 36
Acquisition of 1,869 treasury shares surrendered upon vesting of restricted stock for payment of taxes |  |  |  |  |  | (27) |  |  | (27)
Purchase of treasury shares |  |  |  |  |  | (648) |  |  | (648)
Conversion of 12,607 shares of Series C preferred stock to 1,260,700 shares of non-voting common stock |  | $ (13) |  |  |  |  |  | $ 13 |
Balance at Sep. 30, 2020 | 54 |  | 87,516 | 19,328 | 122 | (4,064) | 13 |  | 102,969
Balance at Jun. 30, 2020 | 54 |  | 87,276 | 9,142 | 146 | (4,064) | 13 |  | 92,567
Net income |  |  |  | 10,186 |  |  |  |  | 10,186
Other comprehensive income (loss) |  |  |  |  | (24) |  |  |  | (24)
Issuance of stock based incentive plan shares, net of forfeitures |  |  |  |  |  |  |  |  |
Restricted stock expense, net of forfeitures |  |  | 240 |  |  |  |  |  | 240
Balance at Sep. 30, 2020 | $ 54 |  | $ 87,516 | $ 19,328 | $ 122 | $ (4,064) | $ 13 |  | $ 102,969

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