Income Taxes - Additional Information (Details) - USD ($)	6 Months Ended
	Dec. 31, 2019	Jun. 30, 2019
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic		$ 58,429,000
Income Tax Credits and Adjustments	$ 950,000
Income Tax Credits and Adjustments, Subject to Refund	475,000
Income Tax Credits and Adjustments, Subject to Indefinite Life	$ 475,000
Income Tax Credits and Adjustments, Refundable Percentage	50.00%
Deferred Tax Assets, Net, Noncurrent	$ 237,000	475,000
Prepaid Expenses and Other Current Assets [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	$ 237,500
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		42,563,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		$ 8,296,000