CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 6,027,755	$ 5,523,778	$ 5,064,902
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	697,943	368,499	432,176
Share-based compensation expense
Stock options	756,198	166,617	181,350
Stock awards	694,230	173,325	159,980
Impairment of long-lived assets	44,400
Gain on disposal of property and equipment		(1,191,743)
Excess and obsolete inventory cost (recovery)	44,308		(100,446)
Deferred income taxes	9,503	1,017,335	(1,193,511)
(Increase) decrease in:
Accounts receivables	(5,446,257)	(251,120)	322,774
Contract assets	(324,397)	(162,742)
Inventories	(834,917)	(708,859)	(153,611)
Prepaid expenses and other assets	69,458	(309,394)	(157,967)
Other non-current assets	(101,356)
Increase (decrease) in:
Accounts payables	628,430	85,224	(167,272)
Accrued expenses	203,754	1,272,826	(4,655)
Income taxes payable/receivable	(257,055)	269,015	104,640
Contract liabilities	(115,823)	(158,321)	104,139
Net cash provided by operating activities	2,096,174	6,094,440	4,592,499
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(298,373)	(161,230)	(340,678)
Proceeds from the sale of property and equipment		2,750,576
Acquisition of a business	(35,860,000)
Net cash (used in) provided by investing activities	(36,158,373)	2,589,346	(340,678)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	408,846	301,154	17,010
Debt payments	(500,000)
Debt proceeds	20,000,000
Dividend paid			(19,788,092)
Net cash provided by (used in) financing activities	19,908,846	301,154	(19,771,082)
Net (decrease) increase in cash and cash equivalents and restricted cash	(14,153,353)	8,984,940	(15,519,261)
Cash and cash equivalents and restricted cash, beginning of year	17,250,546		23,784,867
Cash and cash equivalents and restricted cash, end of year	3,097,193	17,250,546	8,265,606
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for income taxes	$ 1,855,069	$ 531,481	$ 1,089

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