Note 13 - Revenue and Geographic Information - Net Tangible Long-lived Assets by Principal Geographic Areas (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property and equipment, net	$ 47,602	$ 50,613
UNITED STATES
Property and equipment, net	46,068	48,611
ITALY
Property and equipment, net	$ 1,534	$ 2,002

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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