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Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Net of preferred dividends | $ 356 | $ 353
Treasury stock value | (916) | (863)
Retained Earnings |  |
Net of preferred dividends | $ 356 | $ 353

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