SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NET LOSS PER SHARE (Details) - $ / shares	Apr. 01, 2022	May 27, 2020
2020 Pre-Funded Warrant \| 2020 Public Offering of Common Stock and Warrants
Warrant to purchase common stock, shares		8,335,239
Warrant exercise price		$ 0.001
2022 Pre-Funded Warrant \| 2022 Public Offering of Common Stock and Warrants
Warrant to purchase common stock, shares	18,095,238
Warrant exercise price	$ 0.001

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant