Annual report pursuant to Section 13 and 15(d)

Segment Analysis - Schedule of Disaggregate of Revenue from Contracts for Sale with Customers by Geographic Location (Details)

Segment Analysis - Schedule of Disaggregate of Revenue from Contracts for Sale with Customers by Geographic Location (Details) - USD ($)	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Total net sales	$ 20,043,810	$ 25,056,934
Equipment Sales [Member]
Total net sales	7,413,640	7,134,344
Equipment Rentals [Member]
Total net sales	1,361,151	2,688,570
Software Sales [Member]
Total net sales	453,638	604,491
Engineering Parts [Member]
Total net sales	7,299,879	10,141,160
Services [Member]
Total net sales	3,515,502	4,488,369
Americas [Member]
Total net sales	8,778,534	13,544,484
Americas [Member] \| Equipment Sales [Member]
Total net sales	1,368,113	802,101
Americas [Member] \| Equipment Rentals [Member]
Total net sales	175,282	639,055
Americas [Member] \| Software Sales [Member]
Total net sales	35,635	53,540
Americas [Member] \| Engineering Parts [Member]
Total net sales	4,546,391	9,117,338
Americas [Member] \| Services [Member]
Total net sales	2,653,113	2,932,450
Europe [Member]
Total net sales	4,869,413	4,886,661
Europe [Member] \| Equipment Sales [Member]
Total net sales	813,066	1,771,985
Europe [Member] \| Equipment Rentals [Member]
Total net sales	697,638	1,137,244
Europe [Member] \| Software Sales [Member]
Total net sales	113,860	167,903
Europe [Member] \| Engineering Parts [Member]
Total net sales	2,753,488	1,023,822
Europe [Member] \| Services [Member]
Total net sales	491,361	785,707
Australia/Asia [Member]
Total net sales	6,255,510	6,087,071
Australia/Asia [Member] \| Equipment Sales [Member]
Total net sales	5,165,905	4,259,093
Australia/Asia [Member] \| Equipment Rentals [Member]
Total net sales	487,639	876,141
Australia/Asia [Member] \| Software Sales [Member]
Total net sales	304,143	324,222
Australia/Asia [Member] \| Services [Member]
Total net sales	297,823	627,615
Middle East & Africa [Member]
Total net sales	140,353	538,718
Middle East & Africa [Member] \| Equipment Sales [Member]
Total net sales	66,556	301,165
Middle East & Africa [Member] \| Equipment Rentals [Member]
Total net sales	592	36,130
Middle East & Africa [Member] \| Software Sales [Member]
Total net sales		58,826
Middle East & Africa [Member] \| Services [Member]
Total net sales	73,205	142,597
Marine Technology Business (Products) [Member]
Total net sales	11,278,181	12,908,110
Marine Technology Business (Products) [Member] \| Equipment Sales [Member]
Total net sales	7,183,580	6,930,914
Marine Technology Business (Products) [Member] \| Equipment Rentals [Member]
Total net sales	1,361,151	2,688,570
Marine Technology Business (Products) [Member] \| Software Sales [Member]
Total net sales	453,638	604,491
Marine Technology Business (Products) [Member] \| Engineering Parts [Member]
Total net sales
Marine Technology Business (Products) [Member] \| Services [Member]
Total net sales	2,279,812	2,684,135
Marine Technology Business (Products) [Member] \| Americas [Member]
Total net sales	3,001,860	2,625,072
Marine Technology Business (Products) [Member] \| Americas [Member] \| Equipment Sales [Member]
Total net sales	1,368,113	744,604
Marine Technology Business (Products) [Member] \| Americas [Member] \| Equipment Rentals [Member]
Total net sales	175,282	639,055
Marine Technology Business (Products) [Member] \| Americas [Member] \| Software Sales [Member]
Total net sales	35,635	53,540
Marine Technology Business (Products) [Member] \| Americas [Member] \| Engineering Parts [Member]
Total net sales
Marine Technology Business (Products) [Member] \| Americas [Member] \| Services [Member]
Total net sales	1,422,830	1,187,873
Marine Technology Business (Products) [Member] \| Europe [Member]
Total net sales	1,880,458	3,657,249
Marine Technology Business (Products) [Member] \| Europe [Member] \| Equipment Sales [Member]
Total net sales	583,006	1,626,052
Marine Technology Business (Products) [Member] \| Europe [Member] \| Equipment Rentals [Member]
Total net sales	697,638	1,137,244
Marine Technology Business (Products) [Member] \| Europe [Member] \| Software Sales [Member]
Total net sales	113,860	167,903
Marine Technology Business (Products) [Member] \| Europe [Member] \| Engineering Parts [Member]
Total net sales
Marine Technology Business (Products) [Member] \| Europe [Member] \| Services [Member]
Total net sales	485,954	726,050
Marine Technology Business (Products) [Member] \| Australia/Asia [Member]
Total net sales	6,255,510	6,087,071
Marine Technology Business (Products) [Member] \| Australia/Asia [Member] \| Equipment Sales [Member]
Total net sales	5,165,905	4,259,093
Marine Technology Business (Products) [Member] \| Australia/Asia [Member] \| Equipment Rentals [Member]
Total net sales	487,639	876,141
Marine Technology Business (Products) [Member] \| Australia/Asia [Member] \| Software Sales [Member]
Total net sales	304,143	324,222
Marine Technology Business (Products) [Member] \| Australia/Asia [Member] \| Services [Member]
Total net sales	297,823	627,615
Marine Technology Business (Products) [Member] \| Middle East & Africa [Member]
Total net sales	140,353	538,718
Marine Technology Business (Products) [Member] \| Middle East & Africa [Member] \| Equipment Sales [Member]
Total net sales	66,556	301,165
Marine Technology Business (Products) [Member] \| Middle East & Africa [Member] \| Equipment Rentals [Member]
Total net sales	592	36,130
Marine Technology Business (Products) [Member] \| Middle East & Africa [Member] \| Software Sales [Member]
Total net sales		58,826
Marine Technology Business (Products) [Member] \| Middle East & Africa [Member] \| Services [Member]
Total net sales	73,205	142,597
Marine Engineering Business (Services) [Member]
Total net sales	8,765,629	12,148,824
Marine Engineering Business (Services) [Member] \| Equipment Sales [Member]
Total net sales	230,060	203,430
Marine Engineering Business (Services) [Member] \| Equipment Rentals [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Software Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Engineering Parts [Member]
Total net sales	7,299,879	10,141,160
Marine Engineering Business (Services) [Member] \| Services [Member]
Total net sales	1,235,690	1,804,234
Marine Engineering Business (Services) [Member] \| Americas [Member]
Total net sales	5,776,674	10,919,412
Marine Engineering Business (Services) [Member] \| Americas [Member] \| Equipment Sales [Member]
Total net sales		57,497
Marine Engineering Business (Services) [Member] \| Americas [Member] \| Equipment Rentals [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Americas [Member] \| Software Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Americas [Member] \| Engineering Parts [Member]
Total net sales	4,546,391	9,117,338
Marine Engineering Business (Services) [Member] \| Americas [Member] \| Services [Member]
Total net sales	1,230,283	1,744,577
Marine Engineering Business (Services) [Member] \| Europe [Member]
Total net sales	2,988,955	1,229,412
Marine Engineering Business (Services) [Member] \| Europe [Member] \| Equipment Sales [Member]
Total net sales	230,060	145,933
Marine Engineering Business (Services) [Member] \| Europe [Member] \| Equipment Rentals [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Europe [Member] \| Software Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Europe [Member] \| Engineering Parts [Member]
Total net sales	2,753,488	1,023,822
Marine Engineering Business (Services) [Member] \| Europe [Member] \| Services [Member]
Total net sales	5,407	59,657
Marine Engineering Business (Services) [Member] \| Australia/Asia [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Australia/Asia [Member] \| Equipment Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Australia/Asia [Member] \| Equipment Rentals [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Australia/Asia [Member] \| Software Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Australia/Asia [Member] \| Services [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Middle East & Africa [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Middle East & Africa [Member] \| Equipment Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Middle East & Africa [Member] \| Equipment Rentals [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Middle East & Africa [Member] \| Software Sales [Member]
Total net sales
Marine Engineering Business (Services) [Member] \| Middle East & Africa [Member] \| Services [Member]
Total net sales