Quarterly report pursuant to Section 13 or 15(d)

Segment Analysis - Schedule of Segment Reporting Information (Details)

Segment Analysis - Schedule of Segment Reporting Information (Details) - USD ($)	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Oct. 31, 2018
Revenues from External Customers	$ 5,758,508	$ 3,050,557
Cost of Revenues	2,225,436	946,107
Gross Profit	3,533,072	2,104,450
Research & Development	571,326	670,539
Selling, General & Administrative	1,619,275	1,505,757
Total Operating Expenses	2,190,601	2,176,296
Operating Income (Loss)	1,342,471	(71,846)
Other Income	32,841	6,655
Interest (Expense)	(25,061)	(102,748)
Total Other Income (Expense)	7,780	(96,093)
Net Income (Loss) before income taxes	1,350,251	(167,939)
Current tax benefit (expense)	77,967
Deferred tax benefit	(189,205)
Income tax benefit (expense)	(111,238)
Net Income (Loss)	1,239,013	(167,939)
Total Assets	31,057,332	28,963,661	$ 28,736,611
Total Liabilities	5,028,069	9,394,063	$ 4,349,661
Revenues from Intercompany Sales - eliminated from sales above	1,277,069	1,156,407
Depreciation and Amortization	194,718	220,170
Purchases of Long-lived Assets	919,135	245,822
Marine Technology Business (Products) [Member]
Revenues from External Customers	2,829,536	2,042,942
Cost of Revenues	717,306	430,131
Gross Profit	2,112,230	1,612,811
Research & Development	471,425	442,274
Selling, General & Administrative	754,660	577,565
Total Operating Expenses	1,226,085	1,019,839
Operating Income (Loss)	886,145	592,972
Other Income	32,841	6,655
Interest (Expense)	(2,474)	(4,419)
Total Other Income (Expense)	30,367	2,236
Net Income (Loss) before income taxes	916,512	595,208
Current tax benefit (expense)	7,293
Deferred tax benefit	(6,924)
Income tax benefit (expense)	369
Net Income (Loss)	916,881	595,208
Total Assets	16,709,072	12,419,192
Total Liabilities	2,163,421	862,542
Revenues from Intercompany Sales - eliminated from sales above	546,863	471,218
Depreciation and Amortization	124,608	137,518
Purchases of Long-lived Assets	916,023	201,917
Marine Engineering Business (Services) [Member]
Revenues from External Customers	2,928,972	1,007,615
Cost of Revenues	1,508,130	515,976
Gross Profit	1,420,842	491,639
Research & Development	32,549	228,265
Selling, General & Administrative	594,046	630,874
Total Operating Expenses	626,595	859,139
Operating Income (Loss)	794,247	(367,500)
Other Income
Interest (Expense)	(4,581)	(14,949)
Total Other Income (Expense)	(4,581)	(14,949)
Net Income (Loss) before income taxes	789,666	(382,449)
Current tax benefit (expense)	44,924
Deferred tax benefit	(115,867)
Income tax benefit (expense)	(70,943)
Net Income (Loss)	718,723	(382,449)
Total Assets	12,272,308	11,095,135
Total Liabilities	1,328,238	1,405,271
Revenues from Intercompany Sales - eliminated from sales above	55,206	10,189
Depreciation and Amortization	66,290	79,715
Purchases of Long-lived Assets	3,112	43,905
Overhead [Member]
Revenues from External Customers
Cost of Revenues
Gross Profit
Research & Development	67,352
Selling, General & Administrative	270,569	297,318
Total Operating Expenses	337,921	297,318
Operating Income (Loss)	(337,921)	(297,318)
Other Income
Interest (Expense)	(18,006)	(83,380)
Total Other Income (Expense)	(18,006)	(83,380)
Net Income (Loss) before income taxes	(355,927)	(380,698)
Current tax benefit (expense)	25,750
Deferred tax benefit	(66,414)
Income tax benefit (expense)	(40,664)
Net Income (Loss)	(396,591)	(380,698)
Total Assets	2,075,952	5,449,334
Total Liabilities	1,536,410	7,126,250
Revenues from Intercompany Sales - eliminated from sales above	675,000	675,000
Depreciation and Amortization	3,820	2,937
Purchases of Long-lived Assets