Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Summary of Net Deferred Tax Assets and Net Deferred Tax Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Capitalized intangible assets for tax purposes $ (38) $ (42)
Reserves not currently deductible 1,384 1,666
Deferred revenue 44 38
Stock options 4,694 4,153
State taxes 5 5
Income tax credits 3,429 3,820
Inventory 974 549
Property and equipment 302 126
Unrealized gain on foreign currency 111 85
Disallowed Interest 708 120
Lease liability 129  
Net operating losses 42,527 37,205
Total deferred tax assets 54,269 47,725
Valuation allowance (53,222) (46,967)
Net deferred tax assets 1,047 758
Capitalized intangible assets (708) (629)
Right of use asset (109)  
Other (179) (206)
Total deferred tax liabilities (996) (835)
Net deferred tax assets 51  
Net deferred tax liabilities $ (78) $ (77)