Income Taxes - Components of Net Deferred Income Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets (liabilities):
Stock-based compensation	$ 1,246	$ 1,085
Depreciation and amortization	(3,231)	(3,635)
Legal accrual	172	653
Net operating loss carryforward	17,852	17,159
Charitable carryforward		3
Right of use lease asset	(1,415)	(1,596)
Long-term lease	1,284	1,460
Equity method investment	816
Other	251	187
Tax credits	300	300
Valuation allowance	(17,826)	(16,115)
Total deferred tax liabilities, net of valuation allowance	$ (551)	$ (499)