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Consolidated Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands | Common 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] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 44 | $ 61,706 | $ (12,752) | $ (73) | $ (3,366) |  | $ 45,559
Net income |  |  | 9,601 |  |  |  | 9,601
Other comprehensive income |  |  |  | 101 |  |  | 101
Issuance of stock based incentive plan shares, net of forfeitures | 1 | (1) |  |  |  |  |
Restricted stock expense, net of forfeitures |  | 527 |  |  |  |  | 527
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes |  |  |  |  | (23) |  | (23)
Exercise of warrants to common stock | 1 | 1,257 |  |  |  |  | 1,258
Accretion of discount and value of warrants exercised |  | (219) | 219 |  |  |  |
Proceeds from the issuance of shares from the preferred stock private placement, net of offering expenses |  | 14,000 |  |  |  |  | 14,000
Proceeds from the issuance of shares from the common stock private placement, net of offering expenses | 8 | 9,633 |  |  |  |  | 9,641
Balance at Dec. 31, 2019 | 54 | 86,903 | (2,932) | 28 | (3,389) |  | 80,664
Net income |  |  | 29,608 |  |  |  | 29,608
Other comprehensive income |  |  |  | 68 |  |  | 68
Issuance of stock based incentive plan shares, net of forfeitures |  |  |  |  |  |  |
Restricted stock expense, net of forfeitures |  | 711 |  |  |  |  | 711
Stock options exercised |  | 36 |  |  |  |  | 36
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes |  |  |  |  | (32) |  | (32)
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 |
Dividends declared ($0.03 per share) |  |  | (197) |  |  |  | (197)
Balance at Dec. 31, 2020 | $ 54 | $ 87,637 | $ 26,479 | $ 96 | $ (4,069) | $ 13 | $ 110,210

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