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Condensed consolidated financial statement details (Tables)

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

Inventory

(in thousands)			December 31, 2020						December 31, 2019
Components			$	13,229					$	20,370
Finished goods			84,685						123,866
Total inventory			$	97,914					$	144,236

Property, Plant and Equipment

Property and equipment, net

(in thousands)			Useful life (in years)						December 31, 2020						December 31, 2019
Leasehold improvements (1)			1–9						$	35,180					$	50,736
Production, engineering and other equipment			4						48,908						45,649
Tooling			1–2						17,635						19,216
Computers and software			2						22,385						21,719
Furniture and office equipment			3						6,315						10,846
Tradeshow equipment and other			2–5						5,860						7,009
Construction in progress									22						45
Gross property and equipment									136,305						155,220
Less: Accumulated depreciation and amortization									(112,594)						(118,681)
Property and equipment, net									$	23,711					$	36,539

Schedule of Finite-Lived Intangible Assets

Intangible assets

			Useful life (in months)						December 31, 2020
(in thousands)									Gross carrying value						Accumulated amortization						Net carrying value
Purchased technology			20-72						$	51,066					$	(49,867)					$	1,199
Domain name									15						—						15
Total intangible assets									$	51,081					$	(49,867)					$	1,214

			Useful life (in months)						December 31, 2019
(in thousands)									Gross carrying value						Accumulated amortization						Net carrying value
Purchased technology			20-72						$	50,501					$	(45,269)					$	5,232
Domain name									15						—						15
Total intangible assets									$	50,516					$	(45,269)					$	5,247

Schedule of Future Amortization

At December 31, 2020, expected amortization expense of intangible assets with definite lives for future periods was as follows:

(in thousands)			Total
Year ending December 31,
2021			$	1,152
2022			47
			$	1,199

Schedule of Other Assets

Other long-term assets

(in thousands)			December 31, 2020						December 31, 2019
Point of purchase (POP) displays			$	3,612					$	7,595
Long-term deferred tax assets			966						864
Deposits and other			7,193						7,002
Other long-term assets			$	11,771					$	15,461

Schedule of Accrued Liabilities

Accrued expenses and other current liabilities

(in thousands)			December 31, 2020						December 31, 2019
Accrued liabilities (1)			$	39,444					$	42,153
Accrued sales incentives			30,609						39,120
Employee related liabilities (1)			7,067						20,494
Return liability			10,817						14,854
Warranty liability			7,997						9,899
Inventory received			1,709						5,737
Customer deposits			2,347						2,063
Purchase order commitments			1,921						1,710
Income taxes payable			221						1,166
Other			11,644						4,594
Accrued expenses and other current liabilities			$	113,776					$	141,790

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