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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares | Dec. 31, 2018 | Dec. 31, 2017
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Statement of Financial Position [Abstract] |  |
Preferred stock, authorized | 100,000 | 100,000
Common stock, par value (in dollars per share) | $ 0 | $ 0
Common stock, authorized | 7,000,000 | 7,000,000
Common stock, outstanding | 3,616,483 | 3,448,569

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