Note 4 - BALANCE SHEET COMPONENTS - Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property and equipment, gross	$ 83,430	$ 76,712
Less: accumulated depreciation and amortization	(44,690)	(41,417)
Total	38,740	35,295
Computer Equipment [Member]
Property and equipment, gross	11,711	11,924
Software and Software Development Costs [Member]
Property and equipment, gross	5,359	5,419
Furniture and Fixtures [Member]
Property and equipment, gross	2,467	2,506
Leasehold Improvements [Member]
Property and equipment, gross	6,277	6,272
Laboratory and Test Equipment [Member]
Property and equipment, gross	4,340	3,981
Test Equipment [Member]
Property and equipment, gross	28,311	24,452
Construction in Progress [Member]
Property and equipment, gross	$ 24,965	$ 22,158

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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