Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v3.19.3.a.u2
Income Taxes (Details Textual) - USD ($)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Income tax (Textual)    
Valuation allowance increased $ 3,017,000 $ 1,764,000
Net operating loss carryforward $ 49,291,000  
Begins expiring Expiring in 2034.  
federal research and development credits $ 852,000  
federal research and development credits [member]    
Income tax (Textual)    
Begins expiring The tax credit carryforwards will begin to expire in 2036.  
Minimum [Member]    
Income tax (Textual)    
U.S. corporate tax rate 35.00%  
U.S. federal income tax rate 35.00%  
Maximum [Member]    
Income tax (Textual)    
U.S. corporate tax rate   21.00%
U.S. federal income tax rate   21.00%