Note 3 - Balance Sheet Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property and equipment, gross	$ 132,466	$ 95,416
Less: Accumulated depreciation and amortization	(50,857)	(46,951)
Total property and equipment, net	81,609	48,465
Computer Equipment [Member]
Property and equipment, gross	14,547	10,799
Software and Software Development Costs [Member]
Property and equipment, gross	10,408	5,617
Furniture and Fixtures [Member]
Property and equipment, gross	2,668	2,529
Leasehold Improvements [Member]
Property and equipment, gross	7,033	6,691
Laboratory and Test Equipment [Member]
Property and equipment, gross	6,737	5,734
Test Equipment [Member]
Property and equipment, gross	33,268	22,680
DirectScan System Assets [Member]
Property and equipment, gross	49,184	34,935
Property, Plant and Equipment in Progress, CV and Other Assets [Member]
Property and equipment, gross	$ 8,621	$ 6,431