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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Shares outstanding | 19,337,662 |
Common stock options exercised, shares | 300 |
Issuance of shares for Employee Stock Purchase Plan, shares | 10,176 | 6,363
Shares outstanding | 19,445,363 |
Common Stock [Member] |  |
Shares outstanding | 19,337,662 | 18,619,634
Restricted stock units issued, shares | 129,362 | 83,659
Restricted stock awards forfeitures, shares |  | (92,767)
Restricted stock units/awards repurchased on vesting to pay taxes, shares | (35,335) | (38,512)
Cash dividends declared on common stock, per share | $ 0.05 | $ 0.05
Common stock options exercised, shares | 300 | 6,150
Common stock options exercised, used to exercise, shares |  | 1,541
Common stock options exercised, net of shares used to exercise, shares |  | 4,609
Exercise of warrants, shares | 7,109 |
Exercise of warrants, used to exercise, shares | 4,218 |
Exercise of warrants, net of shares used to exercise, shares | 2,891 |
Sales of shares (Dividend Reinvestment Program), shares |  | 317,302
Issuance of shares for Employee Stock Purchase Plan, shares | 10,176 | 6,363
Issuance of common stock for acquisition, shares | 307 | 20,826
Shares outstanding | 19,445,363 | 18,921,114

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