Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.4
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 7,000,000 7,000,000
Preferred stock, shares issued 5,475,279 2,539,325
Preferred stock, shares outstanding 5,475,279 2,539,325
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 29,000,000 29,000,000
Common stock, shares issued 14,121,044 12,978,485
Common stock, shares outstanding 13,380,245 12,237,686
Treasury stock, shares 740,799 740,799