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, 2018	Jan. 31, 2017	Oct. 31, 2017
Revenues from External Customers	$ 3,050,557	$ 5,358,203
Cost of Revenues	946,107	1,983,046
Gross Profit	2,104,450	3,375,157
Research & Development	670,539	251,230
Selling, General & Administrative	1,505,757	1,405,888
Total Operating Expenses	2,176,296	1,657,118
Operating Income (Loss)	(71,846)	1,718,039
Other Income	6,655	49,416
Interest (Expense)	(102,748)	(195,494)
Total other income (expense)	(96,093)	(146,078)
Income (Loss) before income taxes	(167,939)	1,571,961
Income tax benefit (expense)
Net (Loss) Income	(167,939)	1,571,961
Total Assets	28,963,661	23,341,661	$ 24,060,073
Total Liabilities	9,394,063	12,283,527	$ 10,232,653
Revenues from Intercompany Sales - eliminated from sales above	1,156,407	351,627
Depreciation and Amortization	220,170	176,399
Purchases of Long-lived Assets	245,822	1,680,111
USA [Member]
Revenues from External Customers	1,087,626	2,749,768
Europe [Member]
Revenues from External Customers	1,822,036	2,017,036
Australia [Member]
Revenues from External Customers	140,895	591,399
Marine Technology Business (Products) [Member]
Revenues from External Customers	2,042,942	2,450,599
Cost of Revenues	430,131	730,021
Gross Profit	1,612,811	1,720,578
Research & Development	442,274	251,230
Selling, General & Administrative	577,565	574,648
Total Operating Expenses	1,019,839	825,878
Operating Income (Loss)	592,972	894,700
Other Income	6,655	49,416
Interest (Expense)	(4,419)	(350,334)
Total other income (expense)	2,236	(300,918)
Income (Loss) before income taxes	595,208	593,782
Income tax benefit (expense)
Net (Loss) Income	595,208	593,782
Total Assets	12,419,192	10,586,262
Total Liabilities	862,542	843,107
Revenues from Intercompany Sales - eliminated from sales above	471,218	172,853
Depreciation and Amortization	137,518	101,463
Purchases of Long-lived Assets	201,917	1,645,460
Marine Engineering Business (Services) [Member]
Revenues from External Customers	1,007,615	2,907,604
Cost of Revenues	515,976	1,253,025
Gross Profit	491,639	1,654,579
Research & Development	228,265
Selling, General & Administrative	630,874	686,411
Total Operating Expenses	859,139	686,411
Operating Income (Loss)	(367,500)	968,168
Other Income
Interest (Expense)	(14,949)	(124,221)
Total other income (expense)	(14,949)	(124,221)
Income (Loss) before income taxes	(382,449)	843,947
Income tax benefit (expense)
Net (Loss) Income	(382,449)	843,947
Total Assets	11,095,135	12,249,349
Total Liabilities	1,405,271	1,716,788
Revenues from Intercompany Sales - eliminated from sales above	10,189	59,899
Depreciation and Amortization	79,715	71,725
Purchases of Long-lived Assets	43,905	22,181
Overhead [Member]
Revenues from External Customers
Cost of Revenues
Gross Profit
Research & Development
Selling, General & Administrative	297,318	144,829
Total Operating Expenses	297,318	144,829
Operating Income (Loss)	(297,318)	(144,829)
Other Income
Interest (Expense)	(83,380)	279,061
Total other income (expense)	(83,380)	279,061
Income (Loss) before income taxes	(380,698)	134,232
Income tax benefit (expense)
Net (Loss) Income	(380,698)	134,232
Total Assets	5,449,334	506,050
Total Liabilities	7,126,250	9,723,632
Revenues from Intercompany Sales - eliminated from sales above	675,000	118,875
Depreciation and Amortization	2,937	3,211
Purchases of Long-lived Assets		$ 12,470