Quarterly report pursuant to Section 13 or 15(d)

Segment Analysis - Schedule of Segment Reporting Information (Details)

v3.20.1
Segment Analysis - Schedule of Segment Reporting Information (Details) - USD ($)
3 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Oct. 31, 2019
Revenues from External Customers $ 6,680,979 $ 5,758,508  
Cost of Revenues 2,406,539 2,225,436  
Gross Profit 4,274,440 3,533,072  
Research & Development 928,265 571,326  
Selling, General & Administrative 1,891,678 1,619,275  
Total Operating Expenses 2,819,943 2,190,601  
Income (loss) from Operations 1,454,497 1,342,471  
Other Income 12,824 32,841  
Interest Expense (19,614) (25,061)  
Total Other Income (expense) (6,790) 7,780  
Net Income (loss) Before Income Taxes 1,447,707 1,350,251  
Current Tax Benefit (Expense) (23,347) 77,967  
Deferred Tax Benefit (Expense) (77,587) (189,205)  
Total Income Tax Expense (100,934) (111,238)  
Net income 1,346,773 1,239,013  
Total Assets 36,483,470 31,057,332 $ 34,511,244
Total Liabilities 4,424,173 5,028,069 $ 3,883,471
Revenues from Intercompany Sales - Eliminated from Sales Above 1,078,351 1,277,069  
Depreciation and Amortization 231,964 194,718  
Purchases of Long-lived Assets 606,345 919,135  
Marine Technology Business (Products) [Member]      
Revenues from External Customers 3,632,812 2,829,536  
Cost of Revenues 655,677 717,306  
Gross Profit 2,977,135 2,112,230  
Research & Development 556,729 471,425  
Selling, General & Administrative 867,998 754,660  
Total Operating Expenses 1,424,727 1,226,085  
Income (loss) from Operations 1,552,408 886,145  
Other Income 12,824 32,841  
Interest Expense (3,232) (2,474)  
Total Other Income (expense) 9,592 30,367  
Net Income (loss) Before Income Taxes 1,562,000 916,512  
Current Tax Benefit (Expense) 25,833 7,293  
Deferred Tax Benefit (Expense) (78,139) (6,924)  
Total Income Tax Expense (52,306) 369  
Net income 1,509,694 916,881  
Total Assets 20,821,310 16,709,072  
Total Liabilities 1,835,184 2,163,421  
Revenues from Intercompany Sales - Eliminated from Sales Above 302,822 546,863  
Depreciation and Amortization 182,993 124,608  
Purchases of Long-lived Assets 599,601 916,023  
Marine Engineering Business (Services) [Member]      
Revenues from External Customers 3,048,167 2,928,972  
Cost of Revenues 1,750,862 1,508,130  
Gross Profit 1,297,305 1,420,842  
Research & Development 206,438 32,549  
Selling, General & Administrative 636,296 594,046  
Total Operating Expenses 842,734 626,595  
Income (loss) from Operations 454,571 794,247  
Other Income  
Interest Expense (3,682) (4,581)  
Total Other Income (expense) (3,682) (4,581)  
Net Income (loss) Before Income Taxes 450,889 789,666  
Current Tax Benefit (Expense) 4,045 44,924  
Deferred Tax Benefit (Expense) (12,235) (115,867)  
Total Income Tax Expense (8,190) (70,943)  
Net income 442,699 718,723  
Total Assets 14,520,371 12,272,308  
Total Liabilities 1,315,378 1,328,238  
Revenues from Intercompany Sales - Eliminated from Sales Above 100,529 55,206  
Depreciation and Amortization 43,680 66,290  
Purchases of Long-lived Assets 9,593 3,112  
Overhead [Member]      
Revenues from External Customers  
Cost of Revenues  
Gross Profit  
Research & Development 165,098 67,352  
Selling, General & Administrative 387,384 270,569  
Total Operating Expenses 552,482 337,921  
Income (loss) from Operations (552,482) (337,921)  
Other Income  
Interest Expense (12,700) (18,006)  
Total Other Income (expense) (12,700) (18,006)  
Net Income (loss) Before Income Taxes (565,182) (355,927)  
Current Tax Benefit (Expense) (53,225) 25,750  
Deferred Tax Benefit (Expense) 12,787 (66,414)  
Total Income Tax Expense (40,438) (40,664)  
Net income (605,620) (396,591)  
Total Assets 1,141,789 2,075,952  
Total Liabilities 1,273,611 1,536,410  
Revenues from Intercompany Sales - Eliminated from Sales Above 675,000 675,000  
Depreciation and Amortization 5,291 3,820  
Purchases of Long-lived Assets $ 33,965