Organization and Summary of Significant Accounting Policies - Summary of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Payroll and other employee benefits	$ 4,318	$ 2,266
Inventory receipts	3,720	4,302
Paid time off	1,001	1,284
Income and sales taxes	836	415
Operating leases	$ 527	$ 475
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Total	Total
Deferred revenues	$ 495	$ 538
Professional fees and contractors	346	233
Warranties	317	257	$ 285
Customer refunds for estimated returns	235	248
Employee stock purchase plan	232	253
Real estate taxes	158	156
Finance leases	51	62
Restructuring	0	368
Other	369	260
Total	$ 12,605	$ 11,117