Note 15 - Segment and Geographic Information (Details Textual) - Customer Concentration Risk [Member] Pure in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Revenue Benchmark [Member]
Major Customers	0	0	0	0
Accounts Receivable [Member]
Major Customers			0	0