Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	76,225,254	32,025,153
Common stock, shares outstanding (in shares)	76,225,254	32,025,153
Series A
Convertible preferred stock, par value (in dollars per share)	$ 10	$ 10
Convertible preferred stock, shares issued (in shares)	85,581	85,581
Convertible preferred stock, shares outstanding (in shares)	85,581	85,581
Series C
Convertible preferred stock, par value (in dollars per share)	$ 1,000	$ 1,000
Convertible preferred stock, shares issued (in shares)	1,806	1,817
Convertible preferred stock, shares outstanding (in shares)	1,806	1,817