Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2022	Dec. 31, 2021
Preferred stock, par value (in dollars per share)	$ 0.001
Preferred stock, authorized (in shares)	5,000,000
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	13,016,955
Common stock, outstanding (in shares)	13,016,955	13,016,955
Preferred shares
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	4,908,620	4,908,620
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
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	31,455
Preferred stock, outstanding (in shares)	31,455	31,455