Note 4 - Business Combinations - Assets Acquired and Liabilities assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Oct. 04, 2023	Sep. 30, 2023
Assets acquired
Goodwill	$ 13,251		$ 10,282
Evertel Technologies, LLC [Member]
Assets acquired
Accounts receivable		$ 142
Prepaid expenses		27
Intangible assets		2,550
Goodwill		2,923
Total Assets		5,642
Liabilities assumed
Accrued commissions		10
Deferred revenue		470
Deferred tax liability		525
Total liabilities		1,005
Net assets acquired		$ 4,637