Note 4 - Debt (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Debt [Table Text Block]

	Interest Rate as of			Balance as of		Interest Rate as of			Balance as of
	December 31, 2023			December 31, 2023		December 31, 2022			December 31, 2022
USA - North Mill Capital		10.40	%	$	12,475		5.25	%	$	14,399
USA - Resource Plus Sellers		1.85	%		1,120		1.85	%		1,000
Australia - National Australia Bank		N/A			-		10.60	%		156
South Africa - Investec Bank Ltd.		11.75	%		3,369		10.50	%		1,700
China- Industrial Bank		3.56	%		283		4.00	%		435
China- Industrial and Commercial Bank of China		4.00	%		283		4.15	%		290
Total				$	17,530				$	17,980

	Interest Rate as of			Balance Outstanding		Interest Rate as of			Balance Outstanding
	December 31, 2023			December 31, 2023		December 21, 2022			December 31, 2022
South Africa - Investec Bank Ltd.		11.75	%	$	310		10.50	%	$	1,376
Total				$	310				$	1,376

Credit And Debt Facilities Unused Availability [Table Text Block]

	December 31, 2023		December 31, 2022
Unused Availability:
United States	$	6,525	$	4,601
Mexico		–		1
Australia		–		390
South Africa		2,064		454
Total Unused Availability	$	8,589	$	5,446