Annual report pursuant to Section 13 and 15(d)

Summary of Net Deferred Tax Assets and Net Deferred Tax Liabilities (Detail)

v3.21.1
Summary of Net Deferred Tax Assets and Net Deferred Tax Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Capitalized intangible assets for tax purposes $ (38) $ (38)
Reserves not currently deductible 2,094 1,384
Deferred revenue 139 44
Stock options 4,813 4,694
State taxes 3 5
Income tax credits 3,333 3,429
Inventory 858 974
Property and equipment 166 302
Unrealized gain on foreign currency 105 111
Disallowed Interest 1,128 708
Lease liability 518 129
Net operating losses 44,345 42,527
Total deferred tax assets 57,464 54,269
Valuation allowance (56,035) (53,222)
Net deferred tax assets 1,429 1,047
Capitalized intangible assets (664) (708)
Right of use asset (492) (109)
Other (221) (179)
Total deferred tax liabilities (1,377) (996)
Net deferred tax assets $ 52 $ 51