Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.21.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Preferred stock, shares authorized 15,000,000 15,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 190,000,000 190,000,000
Common stock, shares issued 136,311,335 135,990,491
Common stock, shares outstanding 136,311,335 135,990,491
Series A Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 215 215
Preferred stock, shares issued 185 185
Preferred stock, shares outstanding 185 185
Preferred stock, liquidiation preference $ 1,748,423 $ 1,674,195
Series B Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 567 567
Preferred stock, shares issued 52 52
Preferred stock, shares outstanding 52 52
Preferred stock, liquidiation preference $ 476,782 $ 455,904