Note 3 - Debt - Summary of Credit and Other Debt Facilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Balance	$ 18,538	$ 17,530
Balance	18,538	17,530
Balance outstanding	$ 1,707	$ 310
USA/Canada [Member]
Interest Rate	9.90%	10.40%
Balance	$ 17,788	$ 12,475
Balance	$ 17,788	$ 12,475
Interest Rate	9.90%	10.40%
USA - Resource Plus Sellers [Member]
Interest Rate	4.30%
Interest Rate	4.30%
Balance outstanding	$ 1,707	$ 0
USA - Resource Plus Sellers, Short-term [Member]
Interest Rate	4.30%	1.85%
Balance	$ 750	$ 1,120
Balance	$ 750	$ 1,120
Interest Rate	4.30%	1.85%
Investec Bank Ltd. [Member]
Interest Rate		11.75%
Balance	$ 0	$ 3,369
Balance	0	$ 3,369
Interest Rate		11.75%
Balance outstanding	0	$ 310
Industrial Bank [Member]
Interest Rate		3.56%
Balance	0	$ 283
Balance	0	$ 283
Interest Rate		3.56%
Industrial Bank and Commercial Bank of China [Member]
Interest Rate		4.00%
Balance	0	$ 283
Balance	$ 0	$ 283
Interest Rate		4.00%