Note 6 - Contingent Consideration - Contingent Liability (Details)	3 Months Ended
	Dec. 31, 2023
Earnout Shares for Revenue Between $1 and $20,000,000 [Member]
Business Acquisition, Contingent Consideration, Shares Issued Per Aggregate Net Revenue Ratio	0.00423615
Earnout Shares for Revenue Between $20,000,001 and $60,000,000 [Member]
Business Acquisition, Contingent Consideration, Shares Issued Per Aggregate Net Revenue Ratio	0.002118075
Earnout Shares for Revenue Between $60,000,001 and $140,000,000 [Member]
Business Acquisition, Contingent Consideration, Shares Issued Per Aggregate Net Revenue Ratio	0.001059038
Earnout Shares for Revenue Between $140,000,001 and $300,000,000 [Member]
Business Acquisition, Contingent Consideration, Shares Issued Per Aggregate Net Revenue Ratio	0.000529519