Note 9 - Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023
Balance	$ 10,282
Balance	8,427
Acquisitions	2,772		$ 0
Acquisitions	2,550
Currency translation	97
Amortization	(619)	$ (532)
Balance	13,151		10,282
Currency translation	8
Balance	10,366		8,427
Hardware [Member]
Balance	0
Balance	17
Acquisitions	0
Acquisitions	0
Currency translation	0
Amortization	(1)
Balance	0		0
Currency translation	0
Balance	16		17
Software [Member]
Balance	10,282
Balance	8,410
Acquisitions	2,772
Acquisitions	2,550
Currency translation	97
Amortization	(618)
Balance	13,151		10,282
Currency translation	8
Balance	$ 10,350		$ 8,410