CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net Sales:
Total net sales	$ 11,765,635	$ 7,959,208	$ 31,813,214	$ 21,815,917
Cost of sales:
Total cost of sales	5,485,814	3,224,562	14,427,868	8,617,317
Gross profit	6,279,821	4,734,646	17,385,346	13,198,600
Operating expenses:
Research and development	1,099,367	851,296	3,031,630	2,387,939
Selling, general and administrative	3,143,334	2,395,714	9,058,347	7,104,212
Total operating expenses	4,242,701	3,247,010	12,089,977	9,492,151
Operating income	2,037,120	1,487,636	5,295,369	3,706,449
Interest expense	(172,784)		(704,267)
Interest income	5,826	185,652	121,505	432,495
Other income	12,869	90,049	57,040	131,504
Income before income taxes	1,883,031	1,763,337	4,769,647	4,270,448
Income tax expense	330,511	339,958	951,461	877,315
Net income	$ 1,552,520	$ 1,423,379	$ 3,818,186	$ 3,393,133
Net income per common share:
Basic (in dollars per share)	$ 0.09	$ 0.08	$ 0.22	$ 0.19
Diluted (in dollars per share)	$ 0.09	$ 0.08	$ 0.22	$ 0.19
Weighted average shares outstanding:
Basic (in shares)	17,461,652	17,576,969	17,455,903	17,415,358
Diluted(in shares)	17,467,259	17,577,588	17,476,089	17,419,265
Product
Net Sales:
Total net sales	$ 5,127,056	$ 6,575,411	$ 14,446,753	$ 17,608,769
Cost of sales:
Total cost of sales	2,106,629	2,831,511	6,235,668	7,450,205
Customer Service
Net Sales:
Total net sales	6,408,961	1,318,214	15,734,430	3,774,666
Cost of sales:
Total cost of sales	3,101,875	371,359	7,291,096	1,088,014
Engineering development contracts
Net Sales:
Total net sales	229,618	65,583	1,632,031	432,482
Cost of sales:
Total cost of sales	$ 277,310	$ 21,692	$ 901,104	$ 79,098