Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details)

v3.10.0.1
Fair Value of Financial Instruments (Details) - USD ($)
Sep. 30, 2018
Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments in U.S. Treasury Bills $ 6,078,031 $ 1,994,401
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments in U.S. Treasury Bills 6,078,031 1,994,401
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments in U.S. Treasury Bills 0 0
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments in U.S. Treasury Bills $ 0 $ 0