Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Cash, Cash Equivalents and Investments

Cash, cash equivalents, and restricted cash consist of the following:

	December 31, 2020		December 31, 2019
	(in thousands)
Cash and cash equivalents	$	148,901	$	92,708
Short-term restricted cash	115		349
Long-term restricted cash	1,018		60
Total cash, cash equivalents and restricted cash	$	150,034	$	93,117

Inventory

Inventory consists of the following:

	December 31, 2020		December 31, 2019
	(in thousands)
Work-in-process	$	35,852	$	14,525
Finished goods	61,987		16,985
	$	97,839	$	31,510

Schedule of Other Assets

Prepaid and other current assets consist of the following:

	December 31, 2020		December 31, 2019
	(in thousands)
Prepaid expenses	$	7,674	$	3,366
Other receivables	32,762		—
Other current assets	6,985		3,426
	$	47,421	$	6,792

Property and Equipment

Property and equipment consist of the following:

	Useful Life (in Years)	December 31, 2020		December 31, 2019
		(in thousands)
Furniture and fixtures	5	$	2,524	$	2,199
Machinery and equipment	3-5	55,456		35,660
Masks and production equipment	2-5	19,205		15,209
Software	3	7,194		5,956
Leasehold improvements	1-5	16,871		16,186
Construction in progress	N/A	8,050		746
		109,300		75,956
Less accumulated depreciation and amortization		(69,830)		(59,343)
		$	39,470	$	16,613

Price Protection Liability

Accrued price protection liability consists of the following activity:

	Years Ended December 31,
	2020		2019
	(in thousands)
Beginning balance	$	12,557	$	16,454
Charged as a reduction of revenue	48,942		24,449
Reversal of unclaimed rebates	(159)		(42)
Payments	(13,574)		(28,304)
Ending balance	$	47,766	$	12,557

Accrued Expenses

Accrued expenses and other current liabilities consist of the following:

	December 31, 2020		December 31, 2019
	(in thousands)
Deferred purchase price payments	$	34,484	$	—
Payables under transition services agreement	17,420		—
Accrued technology license payments	5,821		4,500
Accrued professional fees	2,620		861
Accrued engineering and production costs	3,448		4,491
Accrued restructuring	3,628		294
Accrued royalty	1,965		923
Short-term lease liabilities	8,144		4,810
Accrued customer credits	1,135		832
Income tax liability	1,193		65
Customer contract liabilities	29		107
Accrued obligations to customers for price adjustments	10,277		8,382
Accrued obligations to customers for stock rotation rights	2,036		1,410
Other	13,642		4,496
	$	105,842	$	31,171

As of December 31, 2020, other payables of $17.4 million consist of amounts due to Intel of approximately $9.1 million for purchases of inventory and $8.3 million for other operating expenses incurred by Intel on behalf of MaxLinear under the transition services agreement (Note 3).

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the balances in accumulated other comprehensive income (loss) by component:

		Cumulative Translation Adjustments		Interest Rate Hedge		Pension and Other Defined Benefit Plan Obligation		Total
	(in thousands)
Balance at December 31, 2018		$	(907)	$	1,179	$	—	$	272
Other comprehensive income (loss) before reclassifications, net of tax		160		(1,319)		—		(1,159)
Balance at December 31, 2019		(747)		(140)		—		(887)
Other comprehensive income (loss) before reclassifications, net of tax		1,010		225		1,172		2,407
Amounts reclassified, net of tax		—		(85)		—		(85)
Net current period other comprehensive income (loss)		1,010		140		1,172		2,322
Balance at December 31, 2020		$	263	$	—	$	1,172	$	1,435