Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional information (Details)

v3.19.3
Summary of Significant Accounting Policies - Additional information (Details)
 3 Months Ended 12 Months Ended
Sep. 30, 2019
USD ($)
item
Sep. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Number Of Lines Of Business | item 3    
Contract liabilities (or deferred revenue) $ 2,894,000   $ 1,279,000
Goodwill and Intangible Asset Impairment 0 $ 0  
Revenues From Grants 0 $ 0  
Contract with Customer, Liability, Revenue Recognized 47,205   1,800,000
Contract with Customer, Asset, Net, Current $ 0   $ 0
Dividend rate 0.00%    
Minimum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life, Fixed assets P3Y    
Maximum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Estimated useful life, Fixed assets P15Y    
Patents [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Finite-Lived Intangible Asset, Useful Life 10 years    
Intellectual Property [Member] | Minimum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Finite-Lived Intangible Asset, Useful Life 16 years    
Intellectual Property [Member] | Maximum [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Finite-Lived Intangible Asset, Useful Life 23 years