CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,969,754	$ 2,562,628
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	171,389	188,136
Share-based compensation expense
Stock options	536,142	90,185
Stock awards	480,429	159,995
Deferred income taxes	(546,370)	527,141
(Increase) decrease in:
Accounts receivable	330,811	(9,355)
Inventories	(550,731)	(143,869)
Prepaid expenses and other assets	(77,192)	(44,955)
Other non-current assets	(107,228)
Increase (decrease) in:
Accounts payables	790,336	121,072
Accrued expenses	(736,604)	67,412
Income taxes payable / receivable	18,821	59,978
Contract liability	(67,452)	(140,776)
Net cash provided by operating activities	2,212,105	3,437,592
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(80,151)	(84,358)
Net cash used in investing activities	(80,151)	(84,358)
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	2,540,800	3,353,234
Cash and cash equivalents, beginning of period	17,250,546	8,265,606
Cash and cash equivalents, end of period	19,791,346	11,618,840
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for income taxes	$ 1,065,506	$ 110,481