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v3.19.1

Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income
--- | --- | --- | --- | --- | ---
Beginning balance, shares at Dec. 31, 2017 |  | 11,167,425 |  |  |
Beginning balance at Dec. 31, 2017 | $ 209,197 | $ 112 | $ 47,079 | $ 162,006 | $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation | 2,688 |  | 2,688 |  |
Restricted stock grants, net of forfeitures (in shares) |  | 133,246 |  |  |
Restricted stock grants, net of forfeitures |  | $ 1 | (1) |  |
Common stock dividends | (2,889) |  |  | (2,889) |
Unrealized gains on marketable securities, net of tax | 0 |  |  |  |
Net income | 9,467 |  |  | 9,467 |
Ending balance, shares at Mar. 31, 2018 |  | 11,300,671 |  |  |
Ending balance at Mar. 31, 2018 | 218,292 | $ 113 | 49,766 | 168,413 | 0
Beginning balance, shares at Dec. 31, 2018 |  | 21,743,498 |  |  |
Beginning balance at Dec. 31, 2018 | 1,425,224 | $ 217 | 1,306,653 | 118,322 | 32
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock-based compensation | 2,854 |  | 2,772 | 82 |
Exercise of stock options, net (in shares) |  | 51,889 |  |  |
Exercise of stock options, net | (1,699) | $ 1 | (1,700) |  |
Restricted stock grants, net of forfeitures (in shares) |  | 121,714 |  |  |
Restricted stock grants, net of forfeitures |  | $ 1 | (1) |  |
Issuance of restricted stock, net (in shares) |  | 6,699 |  |  |
Issuance of restricted stock, net | (3,554) |  | (3,554) |  |
Common stock dividends | (11,121) |  |  | (11,121) |
Unrealized gains on marketable securities, net of tax | 234 |  |  |  | 234
Net income | 11,500 |  |  | 11,500 |
Ending balance, shares at Mar. 31, 2019 |  | 21,923,800 |  |  |
Ending balance at Mar. 31, 2019 | $ 1,423,438 | $ 219 | $ 1,304,170 | $ 118,783 | $ 266

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