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Note 15 - Revenues and Other Related Items - Deferred Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Balance, current $ 2,084 $ 1,943
Balance, noncurrent 345 384
Increase (decrease), current 105 141
Increase (decrease) 0 (39)
Balance, current 2,189 2,084
Balance, noncurrent $ 345 $ 345