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Note 3 - Supplemental Balance Sheet Information (in Thousands) - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property and equipment	$ 21,635	$ 20,238
Less accumulated depreciation and amortization	(18,840)	(17,390)
Property and equipment, net	2,795	2,848
Equipment [Member]
Property and equipment	4,322	4,062
Furniture and Fixtures [Member]
Property and equipment	2,307	2,319
Leaseholds and Leasehold Improvements [Member]
Property and equipment	326	308
Software Development [Member]
Property and equipment	$ 14,680	$ 13,549

X

- Definition

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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