Fair Value Measurements - Fair Value of Financial Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($)	Sep. 30, 2019	Jun. 30, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 4,187,587	$ 463,690
Convertible debt	5,204,452
Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash and cash equivalents	4,187,587
Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Convertible debt	$ 5,204,452