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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]      
Preferred stock, par value   $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000  
Preferred stock, shares/units issued 3,218,152 3,218,287  
Preferred stock, shares/units outstanding 3,218,152 3,218,287  
Common stock, par value $ 0.001 $ 0.001  
Common stock, shares authorized 120,000,000 60,000,000  
Common stock, shares/units issued 32,393,738 29,260,247  
Common stock, shares/units outstanding 32,393,738 29,260,247