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 6 Months Ended
Apr. 30, 2020
Jan. 31, 2020
Apr. 30, 2019
Jan. 31, 2019
Apr. 30, 2020
Apr. 30, 2019
Oct. 31, 2019
Revenues from External Customers $ 3,289,218   $ 6,783,272   $ 9,970,197 $ 12,541,780  
Cost of Revenues 1,363,804   2,058,610   3,770,343 4,284,046  
Gross Profit 1,925,414   4,724,662   6,199,854 8,257,734  
Research & Development 713,641   745,227   1,641,906 1,316,553  
Selling, General & Administrative 1,533,210   1,696,682   3,424,888 3,315,957  
Total Operating Expenses 2,246,851   2,441,909   5,066,794 4,632,510  
Income (Loss) from Operations (321,437)   2,282,753   1,133,060 3,625,224  
Other Expense (Income) (311)   26,228   12,513 59,069  
Interest Expense (18,456)   (24,347)   (38,070) (49,408)  
Total Other Income (Expense) (18,767)   1,881   (25,557) 9,661  
Net Income (Loss) before Income Taxes (340,204)   2,284,634   1,107,503 3,634,885  
Current Tax Benefit (Expense) 34,826   24   11,479 77,991  
Deferred Tax (Expense) 40,298   (311,164)   (37,289) (500,369)  
Total Income Tax (Expense) 75,124   (311,140)   (25,810) (422,378)  
NET (LOSS) INCOME (265,080) $ 1,346,773 1,973,494 $ 1,239,013 1,081,693 3,212,507  
Total Assets 36,538,667   31,948,932   36,538,667 31,948,932 $ 34,511,244
Total Liabilities 5,210,136   3,808,905   5,210,136 3,808,905 $ 3,883,471
Revenues from Intercompany Sales - eliminated from sales above 957,345   1,210,327   2,035,696 2,487,396  
Depreciation and Amortization 101,456   199,694   333,420 394,412  
(Sales) Purchases of Long-lived Assets (152,761)   1,180,579   490,398 2,099,714  
Marine Technology Business (Products) [Member]              
Revenues from External Customers 1,691,199   3,420,183   5,324,011 6,249,719  
Cost of Revenues 406,853   488,909   1,062,530 1,206,215  
Gross Profit 1,284,346   2,931,274   4,261,481 5,043,504  
Research & Development 442,696   558,579   999,425 1,030,004  
Selling, General & Administrative 692,177   743,801   1,560,175 1,498,461  
Total Operating Expenses 1,134,873   1,302,380   2,559,600 2,528,465  
Income (Loss) from Operations 149,473   1,628,894   1,701,881 2,515,039  
Other Expense (Income) (327)   26,228   12,497 59,069  
Interest Expense (2,395)   (3,392)   (5,627) (5,866)  
Total Other Income (Expense) (2,722)   22,836   6,870 53,203  
Net Income (Loss) before Income Taxes 146,751   1,651,730   1,708,751 2,568,242  
Current Tax Benefit (Expense) (6,397)   18,375   19,436 25,668  
Deferred Tax (Expense) (1,354)   (144,381)   (79,493) (151,305)  
Total Income Tax (Expense) (7,751)   (126,006)   (60,057) (125,637)  
NET (LOSS) INCOME 139,000   1,525,724   1,648,694 2,442,605  
Total Assets 21,256,131   17,403,981   21,256,131 17,403,981  
Total Liabilities 2,907,719   1,357,163   2,907,719 1,357,163  
Revenues from Intercompany Sales - eliminated from sales above 277,658   361,604   580,480 908,467  
Depreciation and Amortization 94,599   134,516   277,592 259,124  
(Sales) Purchases of Long-lived Assets (158,874)   1,149,245   440,727 2,065,268  
Marine Engineering Business (Services) [Member]              
Revenues from External Customers 1,598,019   3,363,089   4,646,186 6,292,061  
Cost of Revenues 956,951   1,569,701   2,707,813 3,077,831  
Gross Profit 641,068   1,793,388   1,938,373 3,214,230  
Research & Development 270,945   64,665   477,383 97,214  
Selling, General & Administrative 527,039   611,059   1,163,335 1,205,105  
Total Operating Expenses 797,984   675,724   1,640,718 1,302,319  
Income (Loss) from Operations (156,916)   1,117,664   297,655 1,911,911  
Other Expense (Income) 16     16  
Interest Expense (3,959)   (5,118)   (7,641) (9,699)  
Total Other Income (Expense) (3,943)   (5,118)   (7,625) (9,699)  
Net Income (Loss) before Income Taxes (160,859)   1,112,546   290,030 1,902,212  
Current Tax Benefit (Expense) (4,045)   (9,939)   34,985  
Deferred Tax (Expense) 142,793   (117,529)   130,558 (233,396)  
Total Income Tax (Expense) 138,748   (127,468)   130,558 (198,411)  
NET (LOSS) INCOME (22,111)   985,078   420,588 1,703,801  
Total Assets 14,231,702   12,980,885   14,231,702 12,980,885  
Total Liabilities 1,380,925   923,248   1,380,925 923,248  
Revenues from Intercompany Sales - eliminated from sales above 4,687   173,723   105,216 228,929  
Depreciation and Amortization 2,745   61,388   46,425 127,678  
(Sales) Purchases of Long-lived Assets (8,441)   31,334   1,152 34,446  
Overhead [Member]              
Revenues from External Customers      
Cost of Revenues      
Gross Profit      
Research & Development   121,983   165,098 189,335  
Selling, General & Administrative 313,994   341,822   701,378 612,391  
Total Operating Expenses 313,994   463,805   866,476 801,726  
Income (Loss) from Operations (313,994)   (463,805)   (866,476) (801,726)  
Other Expense (Income)      
Interest Expense (12,102)   (15,837)   (24,802) (33,843)  
Total Other Income (Expense) (12,102)   (15,837)   (24,802) (33,843)  
Net Income (Loss) before Income Taxes (326,096)   (479,642)   (891,278) (835,569)  
Current Tax Benefit (Expense) 45,268   (8,412)   (7,957) 17,338  
Deferred Tax (Expense) (101,141)   (49,254)   (88,354) (115,668)  
Total Income Tax (Expense) (55,873)   (57,666)   (96,311) (98,330)  
NET (LOSS) INCOME (381,969)   (537,308)   (987,589) (933,899)  
Total Assets 1,050,834   1,564,066   1,050,834 1,564,066  
Total Liabilities 921,492   1,528,494   921,492 1,528,494  
Revenues from Intercompany Sales - eliminated from sales above 675,000   675,000   1,350,000 1,350,000  
Depreciation and Amortization 4,112   3,790   9,403 7,610  
(Sales) Purchases of Long-lived Assets $ 14,554     $ 48,519