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Convertible Notes - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Mar. 10, 2021	Feb. 26, 2020	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Debt Instrument [Line Items]
Total principal balance of Convertible Notes outstanding			$ 33,530		$ 33,530		$ 30,521
Debt issuance costs					1,250	$ 392
Interest expense			2,179	$ 1,754	6,047	5,083
Convertible Notes
Debt Instrument [Line Items]
Issuance of notes payable		$ 30,000
Debt instrument maturity date		Feb. 26, 2030
Total principal balance of Convertible Notes outstanding			33,500		33,500
Issuance of notes to related parties.		$ 15,900
Debt instrument interest rate		5.00%
Notes payable, interest rate description		The Convertible Notes accrue interest at 5.0% per annum, payable semiannually in arrears on June 30 and December 31, commencing June 30, 2020, in cash or in kind at the option of the Company.
Number of common stock shares issuable upon conversion of each $1000 principal debt amount		288.0018
Yield Percentage on identical non-convertible instrument		12.50%
Debt instrument unamortized discount		$ 12,600
Debt issuance costs		$ 1,200
Amortization period of convertible notes debt discount and debt issuance costs		10 years
Interest expense			$ 700	$ 200	$ 1,800	$ 200
MAST Capital
Debt Instrument [Line Items]
Ownership percentage	7.60%
MAST Capital | Convertible Notes
Debt Instrument [Line Items]
Issuance of notes payable	$ 2,300
Matthew A. Drapkin | Convertible Notes
Debt Instrument [Line Items]
Issuance of notes to related parties.		$ 6,300
Jason W. Reese | Convertible Notes
Debt Instrument [Line Items]
Issuance of notes to related parties.		6,700
Eric J Scheyer | Convertible Notes
Debt Instrument [Line Items]
Issuance of notes to related parties.		$ 700

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