Note 13 - Segment Information - Geographic Data (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Net revenues	$ 37,788	$ 43,402	$ 48,714	$ 45,920	$ 92,799	$ 92,218	$ 163,629	$ 187,874
UNITED STATES
Net revenues							$ 117,507	$ 104,648
UNITED STATES \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							71.80%	55.70%
SOUTH AFRICA
Net revenues							$ 8,277	$ 34,562
SOUTH AFRICA \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							5.10%	18.40%
MEXICO
Net revenues							$ 12,235	$ 11,691
MEXICO \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							7.50%	6.20%
CHINA
Net revenues							$ 2,698	$ 10,167
CHINA \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							1.60%	5.40%
JAPAN
Net revenues							$ 3,778	$ 6,256
JAPAN \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							2.30%	3.30%
INDIA
Net revenues							$ 4,829	$ 6,148
INDIA \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							3.00%	3.30%
CANADA
Net revenues							$ 14,305	$ 12,494
CANADA \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							8.70%	6.70%
AUSTRALIA
Net revenues							$ 0	$ 1,909
AUSTRALIA \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							0.00%	1.00%
International [Member]
Net revenues							$ 163,629	$ 187,875
International [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Percent of consolidated net revenue							100.00%	100.00%