Note 8 - Revenue - Remaining Performance Obligations (Details)	Mar. 31, 2024 USD ($)
Remaining	$ 2,025,000
Service [Member]
Remaining	1,729,000
Exclusivity Fee [Member]
Remaining	167,000
Other [Member]
Remaining	$ 129,000

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

Name:	us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant