CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 698,651	$ 1,133,058
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	85,409	92,372
Share-based compensation expense
Stock options		45,591
Stock awards	283,195	40,018
Deferred income taxes	(284,689)	231,298
(Increase) decrease in:
Accounts receivable	980,938	325,121
Inventories	96,809	(61,083)
Prepaid expenses and other assets	93,264	(48,402)
Increase (decrease) in:
Accounts payable	133,417	(123,156)
Accrued expenses	(614,657)	(111,624)
Income taxes payable	511,622	76,192
Contract liability	(167,404)	(81,650)
Net cash provided by operating activities	1,816,555	1,517,735
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(32,716)	(77,348)
Net cash used in investing activities	(32,716)	(77,348)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	408,846
Net cash provided by financing activities	408,846
Net increase in cash and cash equivalents	2,192,685	1,440,387
Cash and cash equivalents, beginning of period	17,250,546	8,265,606
Cash and cash equivalents, end of period	$ 19,443,231	$ 9,705,993