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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2020
Dec. 31, 2019
Statement Of Financial Position [Abstract]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 14,989,021 12,749,443
Common stock, shares outstanding 14,989,021 12,749,443