Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers (Details)

v3.19.3.a.u2
Revenue from Contracts with Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenue $ 70,018 $ 80,020 $ 82,507 $ 84,635 $ 87,627 $ 85,010 $ 101,533 $ 110,827 $ 317,180 $ 384,997 $ 420,318
Contract with Customer, Right to Recover Product 300       300       300 300  
Contract with Customer, Liability 107       71       107 71  
Accrued price protection liability 12,557       16,454       12,557 16,454 21,571
Accounts Receivable [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Asset Impairment Charges                 0 0  
Reduction in Transaction Price [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Customer Refund Liability, Current 8,382       7,558       8,382 7,558  
Sales Returns and Allowances [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Accrued obligations to customers for stock rotation rights $ 1,410       $ 1,494       1,410 1,494  
Connected Home [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenue                 152,674 207,336 288,610
Infrastructure [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenue                 85,369 82,388 71,779
Industrial and multi-market [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Net revenue                 $ 79,137 $ 95,273 $ 59,929
Revenue Benchmark [Member] | Connected Home [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Concentration Risk, Percentage                 48.00% 54.00% 69.00%
Revenue Benchmark [Member] | Infrastructure [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Concentration Risk, Percentage                 27.00% 21.00% 17.00%
Revenue Benchmark [Member] | Industrial and multi-market [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Concentration Risk, Percentage                 25.00% 25.00% 14.00%
Revenue from Distributors [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Concentration Risk, Percentage                 52.00% 42.00% 34.00%