Note 4 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
	2020			2019
	(in thousands)
Computer equipment	$	136,286		$	112,599
Computer software		26,164			26,137
Scanner appliances		16,749			15,864
Furniture, fixtures and equipment		6,599			6,973
Equipment under capital lease		3,503			3,503
Leasehold improvements		21,107			18,817
Total property and equipment		210,408			183,893
Less: accumulated depreciation and amortization		(145,558	)		(123,314	)
Property and equipment, net	$	64,850		$	60,579