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Note 3 - Supplemental Balance Sheet Information (in Thousands) - Property and Equipment (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Property and equipment | $ 20,238 | $ 20,991
Less accumulated depreciation and amortization | (17,390) | (18,041)
Property and equipment, net | 2,848 | 2,950
Equipment [Member] |  |
Property and equipment | 4,062 | 6,249
Furniture and Fixtures [Member] |  |
Property and equipment | 2,319 | 2,254
Leaseholds and Leasehold Improvements [Member] |  |
Property and equipment | 308 | 278
Software Development [Member] |  |
Property and equipment | $ 13,549 | $ 12,210

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