SEGMENT INFORMATION - Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
SEGMENT INFORMATION
Revenue:	$ 18,751	$ 16,012	$ 36,636	$ 28,930
Operating income (loss)	(521)	(195)	(507)	(1,215)
Interest expense	(366)	(392)	(713)	(703)
Other income	179	10	179	12
Loss before income taxes	(708)	(577)	(1,041)	(1,906)
Services Segment [Member]
SEGMENT INFORMATION
Revenue:	17,902	15,191	34,934	27,333
Operating income (loss)	3,794	2,575	6,905	3,933
Products Segment [Member]
SEGMENT INFORMATION
Revenue:	849	821	1,702	1,597
Operating income (loss)	(26)	(200)	141	(470)
Corporate Segment [Member]
SEGMENT INFORMATION
Operating income (loss)	$ (4,289)	$ (2,570)	$ (7,553)	$ (4,678)