Note 21 - Supplemental Disclosure of Cash Flows

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Cash Flow, Supplemental Disclosures [Text Block]

21. SUPPLEMENTAL DISCLOSURE OF CASH FLOWS

Supplemental disclosures of cash flow information:

	Year Ended December 31,
	2021		2020
Interest received	$	74	$	425
Interest paid		67		77
Income taxes received		-		40
Income taxes paid		186		107

	Year Ended December 31,
Noncash Investing and Financing Transactions:	2021		2020
Acquisition of a business through contingent consideration liabilities incurred		-		3,705
Acquisition of a business through issuance of common stock		-		982
Investment in partnerships		-		442

Property, plant, and equipment purchases that remain in accounts payable as of  December 31, 2021 and 2020 were $11 and $154, respectively.