Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 40,000,000 40,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 500,000,000 500,000,000
Common stock, shares issued 26,322,583 26,118,075
Common stock, shares outstanding 26,322,583 26,118,075
Series B Convertible Preferred Stock [Member]    
Temporary equity, shares authorized 10,000 10,000
Temporary equity, shares issued 0 0
Temporary equity, shares outstanding 0 0
Series A Convertible Preferred Stock [Member]    
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series C Convertible Preferred Stock [Member]    
Preferred stock, shares authorized 250,000 250,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Series D Convertible Preferred Stock [Member]    
Preferred stock, shares authorized 13,000 13,000
Preferred stock, shares issued 5,125 5,141
Preferred stock, shares outstanding 5,125 5,141