SEGMENT INFORMATION - Operating Segments Revenue and Operating Income (Loss) (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($)
SEGMENT INFORMATION
Number of segments | segment	2
Revenue	$ 89,605	$ 60,469
Operating Income (Loss)	(5,618)	(3,063)
Interest expense	(1,683)	(1,490)
Other income	13,420	15
Income (loss) before income taxes	6,119	(4,538)
Services Segment
SEGMENT INFORMATION
Revenue	85,832	57,177
Operating Income (Loss)	13,986	8,210
Products Segment
SEGMENT INFORMATION
Revenue	3,773	3,292
Operating Income (Loss)	202	(437)
Unallocated Corporate Segment
SEGMENT INFORMATION
Operating Income (Loss)	$ (19,806)	$ (10,836)