Quarterly report pursuant to Section 13 or 15(d)

Segment Analysis - Schedule of Segment Reporting Information (Details)

v3.7.0.1
Segment Analysis - Schedule of Segment Reporting Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Apr. 30, 2017
Apr. 30, 2016
Apr. 30, 2017
Apr. 30, 2016
Oct. 31, 2016
Revenues from External Customers $ 5,278,758 $ 5,745,975 $ 10,636,961 $ 10,521,814  
Cost of Revenues 2,013,940 2,236,851 3,996,985 4,778,000  
Gross Profit 3,264,818 3,509,124 6,639,976 5,743,814  
Research & Development 247,758 186,991 498,988 415,291  
Selling, General & Administrative 1,639,892 1,603,554 3,045,780 3,163,093  
Operating Income (Loss) 1,377,168 1,718,579 3,095,208 2,165,430  
Other Income 86,643 33,770 136,059 105,662  
Interest Expense (188,847) (169,816) (384,341) (399,038)  
Total other income (expense) (102,204) (136,046) (248,282) (293,376)  
Income before income taxes 1,274,964 1,582,533 2,846,926 1,872,054  
Income tax benefit (expense)  
Net Income 1,274,964 1,582,533 2,846,926 1,872,054  
Total Assets 25,158,045 22,867,426 25,158,045 22,867,426 $ 22,835,520
Total Liabilities 11,478,219 13,952,385 11,478,219 13,952,385 $ 12,681,007
Revenues from Intercompany Sales - eliminated from sales above 794,591 411,290 1,146,218 841,755  
Depreciation and Amortization 219,962 127,621 396,361 306,786  
Purchases of Long-lived Assets 670,455 871,962 2,350,566 747,616  
USA [Member]          
Revenues from External Customers 2,525,908 3,291,480 5,275,675 4,955,901  
Europe [Member]          
Revenues from External Customers 2,614,897 2,176,818 4,631,934 4,763,447  
Australia [Member]          
Revenues from External Customers 137,953 277,677 729,352 802,466  
Marine Technology Business [Member]          
Revenues from External Customers 3,299,545 2,397,476 5,750,144 5,389,099  
Cost of Revenues 968,908 707,906 1,698,926 2,068,408  
Gross Profit 2,330,638 1,689,570 4,051,218 3,320,691  
Research & Development 247,758 186,991 498,988 415,291  
Selling, General & Administrative 830,121 737,049 1,404,770 1,389,535  
Operating Income (Loss) 1,252,758 765,530 2,147,460 1,515,865  
Other Income 86,643 33,847 136,059 99,764  
Interest Expense (181,806) (113,891) (532,141) (285,077)  
Total other income (expense) (95,163) (80,044) (396,082) (185,313)  
Income before income taxes 1,157,595 685,486 1,751,378 1,330,552  
Income tax benefit (expense)  
Net Income 1,157,595 685,486 1,751,378 1,330,552  
Total Assets 12,119,417 12,659,049 12,119,417 12,659,049  
Total Liabilities 1,223,741 1,375,795 1,223,741 1,375,795  
Revenues from Intercompany Sales - eliminated from sales above 505,660 222,010 678,513 356,402  
Depreciation and Amortization 145,800 41,178 247,263 125,635  
Purchases of Long-lived Assets 643,603 873,269 2,289,063 719,307  
Marine Engineering Business [Member]          
Revenues from External Customers 1,979,213 3,348,499 4,886,817 5,132,715  
Cost of Revenues 1,045,032 1,528,945 2,298,059 2,709,592  
Gross Profit 934,181 1,819,554 2,588,758 2,423,123  
Research & Development  
Selling, General & Administrative 655,560 785,557 1,341,971 1,570,879  
Operating Income (Loss) 278,621 1,033,997 1,246,787 852,244  
Other Income (77) 5,898  
Interest Expense (75,002) (56,490) (199,223) (113,818)  
Total other income (expense) (75,002) (56,567) (199,223) (107,920)  
Income before income taxes 203,619 977,430 1,047,564 744,324  
Income tax benefit (expense)  
Net Income 203,620 977,430 1,047,564 744,324  
Total Assets 12,616,569 10,000,625 12,616,569 10,000,625  
Total Liabilities 1,654,104 830,979 1,654,104 830,979  
Revenues from Intercompany Sales - eliminated from sales above 170,056 70,405 229,955 241,353  
Depreciation and Amortization 71,056 83,365 142,781 174,719  
Purchases of Long-lived Assets 26,852 (10,175) 49,033 21,798  
Overhead [Member]          
Revenues from External Customers  
Cost of Revenues  
Gross Profit  
Research & Development  
Selling, General & Administrative 154,211 80,948 299,039 202,679  
Operating Income (Loss) (154,211) (80,948) (299,039) (202,679)  
Other Income  
Interest Expense 67,961 565 347,023 (143)  
Total other income (expense) 67,961 565 347,023 (143)  
Income before income taxes (86,250) (80,383) 47,984 (202,822)  
Income tax benefit (expense)  
Net Income (86,249) (80,383) 47,984 (202,822)  
Total Assets 422,059 207,752 422,059 207,752  
Total Liabilities 8,600,374 11,745,611 8,600,374 11,745,611  
Revenues from Intercompany Sales - eliminated from sales above 118,875 118,875 237,750 244,000  
Depreciation and Amortization 3,106 3,078 6,317 6,432  
Purchases of Long-lived Assets $ 8,868 $ 12,470 $ 8,868