STOCKHOLDERS' EQUITY (Details) - Common Stock - shares shares in Millions	Mar. 31, 2022	Dec. 31, 2021
2017 Warrants
Class of Warrant or Right [Line Items]
Number of shares purchasable through warrants (in shares)	1.4	1.4
2015 Warrants
Class of Warrant or Right [Line Items]
Number of shares purchasable through warrants (in shares)	0.9	0.9

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 http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

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