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Commitments and Contingencies - Employment Agreements (Detail) - USD ($)
21 Months Ended 24 Months Ended 72 Months Ended
Sep. 30, 2019
Jul. 09, 2019
Sep. 30, 2013
Sep. 30, 2019
Sep. 30, 2019
Chief Executive Officer [Member]          
Related Party Transaction [Line Items]          
Annual Salary     $ 195,000   $ 300,000
Chief Operating Officer [Member]          
Related Party Transaction [Line Items]          
Annual Salary $ 280,000     $ 200,000  
Chief Financial Officer [Member]          
Related Party Transaction [Line Items]          
Annual Salary   $ 285,000