CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Sales:
Total sales	$ 17,708	$ 13,326	$ 49,321	$ 37,676
Cost of sales:
Total cost of sales	11,781	8,352	32,587	24,888
Gross profit	5,927	4,974	16,734	12,788
Operating expenses:
Engineering and development	741	884	2,435	2,228
Selling, general and administrative	4,611	4,071	12,123	10,961
Total operating expenses	5,352	4,955	14,558	13,189
Operating income (loss)	575	19	2,176	(401)
Other income (expense):
Foreign exchange (loss) gain	(93)	618	(709)	777
Interest expense	(82)	(80)	(208)	(286)
Interest income	401	158	987	429
Other income (expense), net	21	(20)	62	(17)
Total other income (expense), net	247	676	132	903
Income before income taxes	822	695	2,308	502
Income tax (benefit) expense	(1,692)	11	(1,488)	28
Net income	2,514	684	3,796	474
Net income attributable to common shareholders	$ 2,355	$ 646	$ 3,564	$ 450
Net income per common share - basic	$ 0.53	$ 0.15	$ 0.82	$ 0.11
Weighted average common shares outstanding - basic	4,413	4,280	4,366	4,251
Net income per common share - diluted	$ 0.52	$ 0.15	$ 0.80	$ 0.11
Weighted average common shares outstanding net income - diluted	4,516	4,283	4,435	4,265
Product
Sales:
Total sales	$ 12,934	$ 8,438	$ 36,143	$ 25,375
Cost of sales:
Total cost of sales	9,960	6,548	27,311	20,090
Service
Sales:
Total sales	4,774	4,888	13,178	12,301
Cost of sales:
Total cost of sales	$ 1,821	$ 1,804	$ 5,276	$ 4,798