Stockholders' Equity - Schedule of Transaction Related to Warrants to Purchase Common Stock (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Stockholders Equity [Abstract]
Warrants outstanding beginning balance, Shares	323,892
Warrants outstanding ending balance, Shares	323,892	323,892
Warrants exercisable, Shares	323,892
Warrants outstanding beginning balance, Weighted average exercise price	$ 4.31
Warrants outstanding ending balance,Weighted average exercise price	4.31	$ 4.31
Warrants exercisable, Weighted average exercise price	$ 4.31
Warrants outstanding and exercisable Weighted average remaining contractual life	1 year 8 months 26 days	2 years 8 months 26 days
Warrants exercisable, Weighted average remaining contractual life	1 year 8 months 26 days