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Secured Notes to Related Party - Additional Information (Details)		1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 29, 2011 shares	Apr. 30, 2011 USD ($) Day shares	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)
Debt Instrument [Line Items]
Proceeds from convertible debt		$ 4,300,000
Amortization of debt discount					$ 645,000	$ 507,000
Debt instrument, convertible, number shares of equity instruments | shares					9,200,000
Convertible Notes
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement		$ 4,500,000
Debt instrument, interest rate		6.00%
Debt instrument, maturity date		May 02, 2021
Debt instrument conversion ratio multiple of principal		$ 1,000
Beneficial ownership after conversion		9.99%
Notice period associated with beneficial ownership percentage limitation convertible notes | Day		61
Common shares registered for resale in connection with convertible notes | shares	3,500,000
Debt instrument, term		10 years
Paid-in-kind interest					$ 200,000
Debt instrument, additional debt discount					200,000
Interest expense, debt, excluding amortization			$ 100,000	$ 100,000	200,000	200,000
Amortization of debt discount			300,000	$ 300,000	600,000	$ 500,000
Carrying value of debt			6,300,000		6,300,000
Debt instrument, face amount			7,400,000		7,400,000
Debt instrument, unamortized discount, total			$ 1,100,000		$ 1,100,000
Convertible Notes | Common Stock
Debt Instrument [Line Items]
Debt instrument, number of shares issued for convertible notes | shares		1,250

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