Stockholders' Equity (Details) - Schedule of stock-based compensation expense - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Schedule of stock-based compensation expense [Abstract]
Research and Development	$ 1,232	$ 1,014
General and Administrative	1,116	1,013
Total	$ 2,348	$ 2,027

Amount of general and administrative expense classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Name:	us-gaap_OtherGeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration