Quarterly report pursuant to Section 13 or 15(d)

Segment Analysis - Schedule of Segment Reporting Information (Details)

v3.20.4
Segment Analysis - Schedule of Segment Reporting Information (Details) - USD ($)
3 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Oct. 31, 2020
Revenues from External Customers $ 5,050,459 $ 6,680,979  
Cost of Revenues 1,735,537 2,406,539  
Gross Profit 3,314,922 4,274,440  
Research & Development 583,139 928,265  
Selling, General & Administrative 1,813,366 1,891,678  
Total Operating Expenses 2,396,505 2,819,943  
Income (Loss) from Operations 918,417 1,454,497  
Other Income 2,054 12,824  
Funding from Paycheck Protection Program 89,971  
Interest Expense (14,514) (19,614)  
Total Other Income (Expense) 77,511 (6,790)  
Net Income (Loss) before Income Taxes 995,928 1,447,707  
Current Tax Benefit (Expense) 24,725 (23,347)  
Deferred Tax Benefit 108,191 (77,587)  
Total Income Tax Benefit (Expense) 132,916 (100,934)  
Net Income (Loss) 1,128,844 1,346,773  
Total Assets 40,355,522 36,483,470 $ 38,039,151
Total Liabilities 3,730,350 4,424,173 $ 3,642,883
Revenues from Intercompany Sales - eliminated from sales above 1,094,830 1,078,351  
Depreciation and Amortization 366,183 231,964  
Purchases of Long-lived Assets 409,144 643,159  
Marine Technology Business (Products) [Member]      
Revenues from External Customers 3,748,279 3,632,812  
Cost of Revenues 894,275 655,677  
Gross Profit 2,854,004 2,977,135  
Research & Development 441,744 556,729  
Selling, General & Administrative 733,825 867,998  
Total Operating Expenses 1,175,569 1,424,727  
Income (Loss) from Operations 1,678,435 1,552,408  
Other Income 2,036 12,824  
Funding from Paycheck Protection Program    
Interest Expense (2,253) (3,232)  
Total Other Income (Expense) (217) 9,592  
Net Income (Loss) before Income Taxes 1,678,218 1,562,000  
Current Tax Benefit (Expense) 12,653 25,833  
Deferred Tax Benefit (11,155) (78,139)  
Total Income Tax Benefit (Expense) 1,498 (52,306)  
Net Income (Loss) 1,679,716 1,509,694  
Total Assets 24,767,757 20,821,310  
Total Liabilities 1,573,260 1,835,184  
Revenues from Intercompany Sales - eliminated from sales above 370,629 302,822  
Depreciation and Amortization 312,122 182,993  
Purchases of Long-lived Assets 399,975 599,601  
Marine Engineering Business (Services) [Member]      
Revenues from External Customers 1,302,180 3,048,167  
Cost of Revenues 841,262 1,750,862  
Gross Profit 460,918 1,297,305  
Research & Development 141,395 206,438  
Selling, General & Administrative 567,559 636,296  
Total Operating Expenses 708,954 842,734  
Income (Loss) from Operations (248,036) 454,571  
Other Income 18  
Funding from Paycheck Protection Program 89,971    
Interest Expense (5,151) (3,682)  
Total Other Income (Expense) 84,838 (3,682)  
Net Income (Loss) before Income Taxes (163,198) 450,889  
Current Tax Benefit (Expense) 4,045  
Deferred Tax Benefit 152,086 (12,235)  
Total Income Tax Benefit (Expense) 152,086 (8,190)  
Net Income (Loss) (11,112) 442,699  
Total Assets 14,362,811 14,520,371  
Total Liabilities 1,436,624 1,315,378  
Revenues from Intercompany Sales - eliminated from sales above 49,201 100,529  
Depreciation and Amortization 47,645 43,680  
Purchases of Long-lived Assets 4,177 9,593  
Overhead [Member]      
Revenues from External Customers  
Cost of Revenues  
Gross Profit  
Research & Development 165,098  
Selling, General & Administrative 511,982 387,384  
Total Operating Expenses 511,982 552,482  
Income (Loss) from Operations (511,982) (552,482)  
Other Income  
Funding from Paycheck Protection Program    
Interest Expense (7,110) (12,700)  
Total Other Income (Expense) (7,110) (12,700)  
Net Income (Loss) before Income Taxes (519,092) (565,182)  
Current Tax Benefit (Expense) 12,073 (53,225)  
Deferred Tax Benefit (32,741) 12,787  
Total Income Tax Benefit (Expense) (20,668) (40,438)  
Net Income (Loss) (539,760) (605,620)  
Total Assets 1,224,954 1,141,789  
Total Liabilities 720,466 1,273,611  
Revenues from Intercompany Sales - eliminated from sales above 675,000 675,000  
Depreciation and Amortization 6,416 5,291  
Purchases of Long-lived Assets $ 4,992 $ 33,965