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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2020
Dec. 31, 2019
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized (in shares) 10,000,000 10,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 80,000,000 40,000,000
Common stock, issued (in shares) 5,127,525 5,076,593
Common stock, outstanding (in shares) 5,059,779 5,008,846
Treasury stock, shares (in shares) 67,746 67,746
Convertible Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized (in shares) 1,517,500 1,517,500
Preferred stock, shares issued (in shares) 534,000 538,000
Preferred stock, outstanding (in shares) 534,000 538,000