Income Taxes - Summary of Company's Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 14,586	$ 15,478
Unearned revenue	1	2
Stock-based compensation	3,677	3,881
Accrued payroll and benefits	3	236
Research and development credits	16	16
Fixed asset basis difference	73	84
Inventory reserve	422	491
Charitable contributions	2	3
Income from partnerships	163	0
Lease liability	752	1,622
Contingent consideration	456	531
Allowance for bad debt	27	0
Amortized intangibles	660	0
Goodwill	366	0
Total deferred tax assets	21,204	22,344
Deferred tax liabilities:
Right of use asset	(699)	(1,548)
Amortizable intangibles	0	(98)
Income from Partnerships	0	(13)
Other	0	(174)
Total deferred tax liabilities	(699)	(1,833)
Less valuation allowance	(20,505)	(20,511)
Net deferred tax assets	$ 0	$ 0