Note 19 - Segment and Geographical Information - Long Lived Assets by Location (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Long lived assets	$ 77,264	$ 75,095
UNITED STATES
Long lived assets	75,321	71,742
CANADA
Long lived assets	575	1,459
COLOMBIA
Long lived assets	442	449
RUSSIAN FEDERATION
Long lived assets	543	1,010
UNITED KINGDOM
Long lived assets	383	422
CHINA
Long lived assets	$ 0	$ 13