SEGMENT INFORMATION - Operating Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) segment	Jun. 30, 2020 USD ($)
SEGMENT INFORMATION
Number of segments | segment			2
Revenue	$ 22,892	$ 15,765	$ 59,529	$ 44,695
Operating Income (Loss)	(1,703)	(477)	(2,210)	(1,692)
Interest expense	(449)	(382)	(1,163)	(1,085)
Other income	1	1	180	13
Loss before income taxes	(2,151)	(858)	(3,193)	(2,764)
Services Segment
SEGMENT INFORMATION
Revenue	21,924	14,852	56,858	42,185
Operating Income (Loss)	3,868	2,460	10,942	6,393
Products Segment
SEGMENT INFORMATION
Revenue	968	913	2,671	2,510
Operating Income (Loss)	61	23	202	(447)
Corporate Segment
SEGMENT INFORMATION
Operating Income (Loss)	$ (5,632)	$ (2,960)	$ (13,354)	$ (7,638)