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Initial tranche of loan.

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Loans and Convertible Notes Payable - Additional Information (Details) - USD ($)		3 Months Ended
	Aug. 06, 2021	Mar. 31, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Avenue warrant value		$ 1,300,000
Debt instrument, commitment fee	$ 150,000
Interest expense incurred		$ 400,000
Secured Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Debt instrument, principal face amount	$ 2,000,000.0
Series E Preferred Stock [Member]
Debt Instrument [Line Items]
Debt instrument, conversion price			$ 1,500
Series E Preferred Stock [Member] \| Secured Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Oct. 30, 2024
Debt instrument, conversion price	$ 1,198
Term Loan from Avenue Venture Opportunities Fund L.P [Member]
Debt Instrument [Line Items]
Debt instrument maturity date	Aug. 01, 2024
Debt instrument, interest rate	7.70%
Debt instrument, interest rate	10.95%	10.95%
Debt instrument, interest rate term	The Avenue Loan bears interest at an annual rate equal to the greater of (a) the sum of 7.70% plus the prime rate as reported in The Wall Street Journal and (b) 10.95%. The interest rate at March 31, 2022 was 10.95%. The Avenue Loan is secured by all of the Company’s assets globally, including intellectual property.
Initial tranche of loan	$ 15,000,000.0
Loan amount funded into restricted account	4,000,000.0
Gross proceeds from ATM Offering	20,000,000
Second tranche of loan	$ 5,000,000.0
Frequency of periodic payment	monthly
Periodic interest payments, term	15 months
Debt instrument, incremental final payment	4.25%
Debt instrument, commitment fee, percentage	1.00%
Debt instrument, commitment fee upon funding of second tranche of loan	$ 200,000
Original issue discount	600,000
Cash issuance costs	563,000
Debit discount	519,000
Fair value of warrants reclassified from liability to equity	44,000
Aggregate debt discount	$ 2,300,000
Amortization of debt discount		$ 200,000
Current interest rate	7.70%
Term Loan from Avenue Venture Opportunities Fund L.P [Member] \| Warrant [Member]
Debt Instrument [Line Items]
Warrants issued to purchase of common stock	127,755
Warrant exercise price	$ 0.01
Warrants, maturity date	Aug. 31, 2026
Fair value of the Avenue Warrant	$ 1,200,000
Term Loan from Avenue Venture Opportunities Fund L.P [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, principal face amount	$ 20,000,000
Periodic interest payments, term	24 months
Prepayment fee, percentage	3.00%
Term Loan from Avenue Venture Opportunities Fund L.P [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Prepayment fee, percentage	1.00%
Term Loan from Avenue Venture Opportunities Fund L.P [Member] \| Non Convertible Debt [Member]
Debt Instrument [Line Items]
Aggregate debt discount	$ 1,900,000
Amortization of debt discount		159,000
Term Loan from Avenue Venture Opportunities Fund L.P [Member] \| Convertible Debt [Member]
Debt Instrument [Line Items]
Aggregate debt discount	$ 418,000
Amortization of debt discount		$ 35,000
Eight Point Zero Percentage July Two Thousand And Nineteen Notes [Member] \| Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate		8.00%
Current interest rate		8.00%
Interest expense incurred		$ 40,000