Quarterly report pursuant to Section 13 or 15(d)

Investments - Schedule of Investment Securities at Amortized (Details)

v3.7.0.1
Investments - Schedule of Investment Securities at Amortized (Details) - USD ($)
3 Months Ended
Jan. 31, 2017
Oct. 31, 2016
Amortized cost, as adjusted $ 79,295,379 $ 39,336,548
Gross unrealized holding gains 3,640 2,404
Gross unrealized holding losses 9,081 7,806
Estimated fair value 79,289,938 39,331,146
Certificates of Deposit [Member]    
Amortized cost, as adjusted 25,010,270 10,737,563
Gross unrealized holding gains
Gross unrealized holding losses
Estimated fair value 25,010,270 10,737,563
Domestic Governmental Agency Loans [Member]    
Amortized cost, as adjusted 5,664,336 2,500,000
Gross unrealized holding gains 49
Gross unrealized holding losses 512 250
Estimated fair value 5,663,873 2,499,750
U.S Treasury Notes [Member]    
Amortized cost, as adjusted 48,620,773 26,098,985
Gross unrealized holding gains 3,591 2,404
Gross unrealized holding losses 8,569 7,556
Estimated fair value $ 48,615,795 $ 26,093,833