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Consolidated Balance Sheets (Parenthetical) - shares
Mar. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Common stock, shares authorized 7,000,000 7,000,000
Common stock, shares issued 3,247,515 3,499,285
Common stock, shares outstanding 3,247,515 3,470,428
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued
Preferred Stock, shares Outstanding
Unvested shares 226,369 211,575