Note 8 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, plant and equipment, gross	$ 22,222	$ 20,660
Accumulated depreciation and amortization	(12,680)	(9,689)
Property and equipment, net	9,542	10,971
Machinery, Manufacturing and Demonstration Equipment [Member]
Property, plant and equipment, gross	8,450	8,289
Operating Lease Assets [Member]
Property, plant and equipment, gross	10,251	10,143
Computer Equipment [Member]
Property, plant and equipment, gross	600	325
Furniture and Fixtures [Member]
Property, plant and equipment, gross	831	644
Leasehold Improvements [Member]
Property, plant and equipment, gross	1,654	1,259
Construction in Progress [Member]
Property, plant and equipment, gross	$ 436

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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