Note 5 - Credit Facilities and Other Debt (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Debt [Table Text Block]

	Interest Rate
	as of
	March 31, 2022			2022		2023		2024		2025		2026		2027
Australia - National Australia Bank		6.56	%		124		-		-		-		-		-
China- Industrial & Commercial Bank		4.15	%		315		-		-		-		-		-
China- People's Bank of China		3.65	%		158		-		-		-		-		-
China- Industrial Bank		6.00	%		473		-		-		-		-		-
South Africa - Investec Bank Ltd.		7.75	%		2,002		-		-		-		-		-
USA - North Mill Capital		5.25	%		12,459		-		-		-		-		-
USA - Resource Plus Seller Notes		1.85	%		300		700		-		-		-		-
Total				$	15,831	$	700	$	-	$	-	$	-	$	–

Credit And Debt Facilities Unused Availability [Table Text Block]

	March 31,		December 31,
	2022		2021
Unused Availability:
United States / Canada	$	2,540	$	5,319
Australia		477		455
China		158		157
Mexico		378		743
Total Unused Availability	$	3,553	$	6,674