Note 21 - Supplemental Disclosure of Cash Flows - Schedule of Supplemental Disclosure of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Interest received	$ 74	$ 425
Interest paid	67	77
Income taxes received	0	40
Income taxes paid	186	107
Acquisition of a business through contingent consideration liabilities incurred	0	3,705
Noncash or Part Noncash Acquisitions, Business Acquisition [Member]
Acquisition of a business through issuance of common stock	0	982
Investment in partnerships	$ 0	$ 442