CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Total revenue	$ 18,751	$ 16,012	$ 36,636	$ 28,930
Total cost of revenue	12,471	10,819	24,435	20,260
Gross profit	6,280	5,193	12,201	8,670
Operating expenses:
Selling	1,175	1,447	2,138	2,665
Research and development	203	162	399	324
General and administrative	5,423	3,779	10,171	6,896
Total operating expenses	6,801	5,388	12,708	9,885
Operating loss	(521)	(195)	(507)	(1,215)
Interest expense	(366)	(392)	(713)	(703)
Other income	179	10	179	12
Net loss before income taxes	(708)	(577)	(1,041)	(1,906)
Income tax expense	15	11	48	108
Net loss	$ (723)	$ (588)	$ (1,089)	$ (2,014)
Basic net loss per share: (In dollars per share)	$ (0.06)	$ (0.05)	$ (0.10)	$ (0.19)
Diluted net loss per share: (In dollar per share)	$ (0.06)	$ (0.05)	$ (0.10)	$ (0.19)
Weighted common shares outstanding:
Basic (in shares)	11,151	10,843	11,083	10,756
Diluted (in shares)	11,151	10,843	11,083	10,756
Service [Member]
Total revenue	$ 17,902	$ 15,191	$ 34,934	$ 27,333
Total cost of revenue	11,949	10,207	23,502	19,118
Product [Member]
Total revenue	849	821	1,702	1,597
Total cost of revenue	$ 522	$ 612	$ 933	$ 1,142