Merger - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 09, 2020
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Legal fee	$ 1,554
Professional fees	500
Cash or equivalent to common stock	300
Contingent amounts payable to St. Cloud	240
Cash paid to employees	$ 60
Merger Agreement [Member]
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Voting power after effective time		49.50%
Voting power prior to effective time		50.50%
Final exchange ratio prior to effective time		157.40%
Stock purchase warrants	2,314
Warrants exercisable price	$ 3.18
Weighted Average Risk Free Interest Rate	0.21%
Volatility Rate	115.96%
Weighted Average Remaining Term	1 year
Dividend rate	0.00%
Merger success fee share price	$ 1.34
Merger Agreement [Member] | Common stock
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Number of shares issued	11,439
Merger Agreement [Member] | Common stock | Private Placement [Member]
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Merger success fee	572
REM-001 Therapy [Member]
Business Acquisition Equity Interests Issued Or Issuable [Line Items]
Cash or equivalent to common stock	$ 700
Contingent amounts payable to St. Cloud	560
Cash paid to employees	$ 140