Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	5,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, issued (in shares)	13,016,955	3,347,386
Common stock, outstanding (in shares)	13,016,955	3,347,386
Preferred shares
Preferred stock, authorized (in shares)	4,908,620	4,908,620
Series X redeemable convertible preferred stock
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	91,380	91,380
Preferred stock, issued (in shares)	31,455	0
Preferred stock, outstanding (in shares)	31,455	0