Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.02	$ 0.02
Preferred stock, shares authorized	47,000	47,000
Preferred stock, shares issued	47,000	47,000
Preferred stock, shares outstanding	47,000	47,000
Preferred stock, liquidation preference per share		$ 1,000
Preferred stock, liquidation preference, value		$ 46,868,000
Common stock, par value	$ 0.02	$ 0.02
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	84,626,847	79,745,886
Common stock, shares outstanding	84,626,847	79,745,886