CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Sales:
Total sales	$ 13,326	$ 13,721	$ 37,676	$ 39,197
Cost of sales:
Total cost of sales	8,352	9,492	24,888	27,222
Gross profit	4,974	4,229	12,788	11,975
Operating expenses:
Engineering and development	884	700	2,228	2,191
Selling, general and administrative	4,071	3,886	10,961	10,799
Total operating expenses	4,955	4,586	13,189	12,990
Operating income (loss)	19	(357)	(401)	(1,015)
Other income (expense):
Foreign exchange gain (loss)	618	(110)	777	(731)
Interest expense	(80)	(131)	(286)	(244)
Interest income	158	175	429	406
Gain on forgiveness of debt	0	0	0	2,196
Other income (expense), net	(20)	35	(17)	137
Total other income (expense), net	676	(31)	903	1,764
Income (loss) before income taxes	695	(388)	502	749
Income tax expense	11	35	28	868
Net income (loss)	684	(423)	474	(119)
Net income (loss) attributable to common shareholders	$ 646	$ (423)	$ 450	$ (119)
Net income (loss) per common share - basic	$ 0.15	$ (0.10)	$ 0.11	$ (0.03)
Weighted average shares outstanding - basic	4,280	4,179	4,251	4,137
Net income (loss) per common share - diluted	$ 0.15	$ (0.10)	$ 0.11	$ (0.03)
Weighted average shares outstanding - diluted	4,283	4,179	4,265	4,137
Product
Sales:
Total sales	$ 8,438	$ 10,142	$ 25,375	$ 29,526
Cost of sales:
Total cost of sales	6,548	8,176	20,090	23,678
Service
Sales:
Total sales	4,888	3,579	12,301	9,671
Cost of sales:
Total cost of sales	$ 1,804	$ 1,316	$ 4,798	$ 3,544