Annual report pursuant to Section 13 and 15(d)

Balance Sheet Details - Accrued Expenses (Detail)

v3.19.3.a.u2
Balance Sheet Details - Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Capitalized Contract Cost [Line Items]    
Accrued technology license payments $ 4,500 $ 4,500
Accrued professional fees 861 1,270
Accrued engineering and production costs 4,491 646
Accrued restructuring 294 1,946
Accrued royalty 923 980
Accrued customer credits 832 1,204
Taxes Payable 65 784
Contract with Customer, Liability 107 71
Other 4,496 6,615
Total 31,171 28,282
Operating Lease, Liability, Current 4,810 1,214
Reduction in Transaction Price [Member]    
Capitalized Contract Cost [Line Items]    
Customer Refund Liability, Current 8,382 7,558
Sales Returns and Allowances [Member]    
Capitalized Contract Cost [Line Items]    
Accrued obligations to customers for stock rotation rights $ 1,410 $ 1,494