Note 5 - Balance Sheet Components

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Supplemental Balance Sheet Disclosures [Text Block]

5. BALANCE SHEET COMPONENTS

Inventories 

Inventories consist of the following (in thousands):

	December 31,
	2021		2020
Raw materials	$	29,478	$	25,503
Work in process		130,029		77,100
Finished goods		99,910		54,459
Total	$	259,417	$	157,062

Other Current Assets

Other current assets consist of the following (in thousands):

	December 31,
	2021		2020
RSU tax withholding proceeds receivable	$	16,224	$	12,504
Prepaid expense		9,526		5,032
Accrued interest receivable		5,440		1,914
Other		4,350		3,530
Total	$	35,540	$	22,980

Property and Equipment, Net

Property and equipment, net, consist of the following (in thousands):

	December 31,
	2021			2020
Land	$	38,872		$	35,432
Production equipment and software		233,398			163,317
Buildings and improvements		202,901			142,869
Transportation equipment		28,608			18,396
Leasehold improvements		8,990			8,705
Furniture and fixtures		10,738			6,383
Construction in progress		11,333			49,575
Property and equipment, gross		534,840			424,677
Less: accumulated depreciation and amortization		(171,878	)		(143,149	)
Total	$	362,962		$	281,528

Depreciation and amortization expense on property and equipment was $28.4 million, $18.9 million and $14.5 million for the years ended December 31, 2021, 2020 and 2019, respectively.

Other Long-Term Assets

Other long-term assets consist of the following (in thousands):

	December 31,
	2021		2020
Deferred compensation plan assets	$	53,172	$	46,146
Prepaid expense		2,311		2,340
Other		14,040		11,352
Total	$	69,523	$	59,838

Other Accrued Liabilities

Other accrued liabilities consist of the following (in thousands):

	December 31,
	2021		2020
Dividends and dividend equivalents	$	32,364	$	26,435
Warranty		20,989		6,895
Stock rotation and sales returns		5,748		6,005
Customer prepayments		4,300		7,238
Other		17,881		16,387
Total	$	81,282	$	62,960

Other Long-Term Liabilities

Other long-term liabilities consist of the following (in thousands):

	December 31,
	2021		2020
Deferred compensation plan liabilities	$	55,489	$	48,280
Dividend equivalents		8,470		7,871
Other		3,268		1,722
Total	$	67,227	$	57,873