Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Preferred stock, par value
Preferred stock, shares authorized 15,000,000 15,000,000
Common stock, par value
Common stock, shares authorized 170,000,000 170,000,000
Common stock, shares issued 116,748,472 78,523,517
Common stock, shares outstanding 116,748,472 78,523,517
2% Convertible Preferred Stock Series A [Member]    
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
0% Convertible Preferred Stock Series B [Member]    
Preferred stock, shares authorized 1,750,001 1,750,001
Preferred stock, shares issued 2,199 4,199
Preferred stock, shares outstanding 2,199 4,199