Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.20.1
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Preferred stock, no par value
Preferred stock, shares authorized 50,000,000 50,000,000
Common stock, no par value
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 2,915,240 1,738,837
Common stock, shares outstanding 2,915,240 1,738,837
Series C Convertible Preferred Stock [Member]    
Preferred stock, no par value
Preferred stock, shares authorized 1,990,000 1,990,000
Preferred stock, stated value $ 4.00 $ 4.00
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series D Convertible Preferred Stock [Member]    
Preferred stock, no par value
Preferred stock, shares authorized 211,353 211,353
Preferred stock, stated value $ 0.01 $ 0.01
Preferred stock, shares issued 211,353 0
Preferred stock, shares outstanding 211,353 0