Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Accounting Policies [Abstract]
Place of incorporation	Arizona
Year of incorporation	2002
Place of reincorporation	Delaware
Date of reincorporation	2015-03
Net loss attributable to noncontrolling interest	$ 122,000	$ 377,000
Accumulated deficit	(246,971,000)		$ (226,485,000)
Cash and cash equivalents	24,551,000		28,685,000
Net income (losses)	(4,610,000)	1,681,000	(16,100,000)
Net cash used in operations	$ (4,885,000)	$ (4,707,000)	$ (25,900,000)