SCHEDULE OF SEGMENT REPORTING INFORMATION (Details) - USD ($)	3 Months Ended						9 Months Ended
	Jul. 31, 2023	Apr. 30, 2023	Jan. 31, 2023	Jul. 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Segment Reporting Information [Line Items]
Net Revenues	$ 4,890,532			$ 6,267,409			$ 15,788,325	$ 17,090,455
Cost of Revenues	1,525,308			1,704,765			5,046,855	5,336,171
Gross Profit	3,365,224			4,562,644			10,741,470	11,754,284
Research & Development	568,287			577,953			1,538,684	1,768,221
Selling, General & Administrative	1,934,323			1,960,978			6,138,968	6,116,085
Total Operating Expenses	2,502,610			2,538,931			7,677,652	7,884,306
INCOME FROM OPERATIONS	862,614			2,023,713			3,063,818	3,869,978
Other Income (Expense)
Other Income	214,552			19,744			403,693	114,236
Interest Expense								(2,902)
Total Other Income	214,552			19,744			403,693	111,334
INCOME BEFORE INCOME TAX EXPENSE	1,077,166			2,043,457			3,467,511	3,981,312
Income Tax (Expense) Benefit
Current Tax (Expense) Benefit	(68,771)			(326,732)			(137,555)	(503,191)
Deferred Tax (Expense) Benefit	30,385			51,932			115,158	119,087
Total Income Tax Expense	(38,386)			(274,800)			(22,397)	(384,104)
NET INCOME	1,038,780	$ 1,008,477	$ 1,397,857	1,768,657	$ 611,303	$ 1,217,248	3,445,114	3,597,208
Supplemental Disclosures
Total Assets	51,969,795						51,969,795
Total Liabilities	2,132,566						2,132,566
Segment Reporting [Member]
Segment Reporting Information [Line Items]
Net Revenues	4,890,532			6,267,409			15,788,325	17,090,455
Cost of Revenues	1,525,308			1,704,765			5,046,855	5,336,171
Gross Profit	3,365,224			4,562,644			10,741,470	11,754,284
Research & Development	568,287			577,953			1,538,684	1,768,221
Selling, General & Administrative	1,934,323			1,960,978			6,138,968	6,116,085
Total Operating Expenses	2,502,610			2,538,931			7,677,652	7,884,306
INCOME FROM OPERATIONS	862,614			2,023,713			3,063,818	3,869,978
Other Income (Expense)
Other Income	214,552			19,744			403,693	114,236
Interest Expense								(2,902)
Total Other Income	214,552			19,744			403,693	111,334
INCOME BEFORE INCOME TAX EXPENSE	1,077,166			2,043,457			3,467,511	3,981,312
Income Tax (Expense) Benefit
Current Tax (Expense) Benefit	(68,771)			(326,732)			(137,555)	(503,191)
Deferred Tax (Expense) Benefit	30,385			51,932			115,158	119,087
Total Income Tax Expense	(38,386)			(274,800)			(22,397)	(384,104)
NET INCOME	1,038,780			1,768,657			3,445,114	3,597,208
Supplemental Disclosures
Total Assets	51,969,795			47,203,976			51,969,795	47,203,976
Total Liabilities	2,132,566			4,412,606			2,132,566	4,412,606
Revenues from Intercompany Sales – eliminated from sales above	1,581,151			1,636,573			5,310,664	3,889,815
Depreciation and Amortization	178,927			208,821			521,515	652,762
Purchases of Long-lived Assets	295,253			54,409			509,609	1,195,885
Marine Technology Business (Products) [Member] | Segment Reporting [Member]
Segment Reporting Information [Line Items]
Net Revenues	2,863,251			4,004,557			10,270,839	11,319,314
Cost of Revenues	512,091			532,248			2,461,717	1,920,573
Gross Profit	2,351,160			3,472,309			7,809,122	9,398,741
Research & Development	557,260			605,857			1,513,973	1,752,478
Selling, General & Administrative	882,663			731,200			2,422,383	2,059,147
Total Operating Expenses	1,439,923			1,337,057			3,936,356	3,811,625
INCOME FROM OPERATIONS	911,237			2,135,252			3,872,766	5,587,116
Other Income (Expense)
Other Income	180,463			14,472			345,390	32,576
Interest Expense								(2,502)
Total Other Income	180,463			14,472			345,390	30,074
INCOME BEFORE INCOME TAX EXPENSE	1,091,700			2,149,724			4,218,156	5,617,190
Income Tax (Expense) Benefit
Current Tax (Expense) Benefit	(39,064)			(226,264)			(166,649)	(492,505)
Deferred Tax (Expense) Benefit				378				5,159
Total Income Tax Expense	(39,064)			(225,886)			(166,649)	(487,346)
NET INCOME	1,052,636			1,923,838			4,051,507	5,129,844
Supplemental Disclosures
Total Assets	37,173,921			33,015,110			37,173,921	33,015,110
Total Liabilities	1,619,997			3,246,151			1,619,997	3,246,151
Revenues from Intercompany Sales – eliminated from sales above	1,174,823			966,316			4,088,818	1,769,365
Depreciation and Amortization	141,764			174,739			414,167	551,866
Purchases of Long-lived Assets	263,493			14,815			407,326	1,085,877
Marine Engineering Business (Services) [Member] | Segment Reporting [Member]
Segment Reporting Information [Line Items]
Net Revenues	2,027,281			2,262,852			5,517,486	5,771,141
Cost of Revenues	1,013,217			1,172,517			2,585,138	3,415,598
Gross Profit	1,014,064			1,090,335			2,932,348	2,355,543
Research & Development	11,027			(27,904)			24,711	15,743
Selling, General & Administrative	547,712			700,820			1,849,761	2,040,608
Total Operating Expenses	558,739			672,916			1,874,472	2,056,351
INCOME FROM OPERATIONS	455,325			417,419			1,057,876	299,192
Other Income (Expense)
Other Income	34,089			4,212			58,303	79,256
Interest Expense
Total Other Income	34,089			4,212			58,303	79,256
INCOME BEFORE INCOME TAX EXPENSE	489,414			421,631			1,116,179	378,448
Income Tax (Expense) Benefit
Current Tax (Expense) Benefit	(55,476)			(23,148)			(77,517)	147,778
Deferred Tax (Expense) Benefit				2,141				(42,839)
Total Income Tax Expense	(55,476)			(21,007)			(77,517)	104,939
NET INCOME	433,938			400,624			1,038,662	483,387
Supplemental Disclosures
Total Assets	13,962,350			13,354,167			13,962,350	13,354,167
Total Liabilities	679,522			774,497			679,522	774,497
Revenues from Intercompany Sales – eliminated from sales above	106,328			62,757			321,846	305,450
Depreciation and Amortization	25,716			24,209			75,201	72,056
Purchases of Long-lived Assets	2,814			22,125			25,606	34,174
Overhead [Member] | Segment Reporting [Member]
Segment Reporting Information [Line Items]
Net Revenues
Cost of Revenues
Gross Profit
Research & Development
Selling, General & Administrative	503,948			528,958			1,866,824	2,016,330
Total Operating Expenses	503,948			528,958			1,866,824	2,016,330
INCOME FROM OPERATIONS	(503,948)			(528,958)			(1,866,824)	(2,016,330)
Other Income (Expense)
Other Income				1,060				2,404
Interest Expense								(400)
Total Other Income				1,060				2,004
INCOME BEFORE INCOME TAX EXPENSE	(503,948)			(527,898)			(1,866,824)	(2,014,326)
Income Tax (Expense) Benefit
Current Tax (Expense) Benefit	25,769			(77,320)			106,611	(158,464)
Deferred Tax (Expense) Benefit	30,385			49,413			115,158	156,767
Total Income Tax Expense	56,154			(27,907)			221,770	(1,697)
NET INCOME	(447,794)			(555,805)			(1,645,054)	(2,016,023)
Supplemental Disclosures
Total Assets	833,524			834,699			833,524	834,699
Total Liabilities	(166,953)			391,958			(166,953)	391,958
Revenues from Intercompany Sales – eliminated from sales above	300,000			607,500			900,000	1,815,000
Depreciation and Amortization	11,446			9,873			32,146	28,840
Purchases of Long-lived Assets	$ 28,946			$ 17,469			$ 76,677	$ 75,834