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STOCKHOLDERS' EQUITY - Warrants (Details) shares in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 $ / shares shares
Warrant Or Right Outstanding [Roll Forward] |
Warrants outstanding, beginning balance (in shares) | 199
Warrants Issued (in shares) | 0
Warrants Exercised (in shares) | 0
Warrants Cancelled (in shares) | 0
Warrants outstanding, ending balance (in shares) | 199
Warrants, Expiring March 2023 |
Class of Warrant or Right [Line Items] |
Exercise price per warrant (in dollars per share) | $ / shares | $ 0.55
Warrant Or Right Outstanding [Roll Forward] |
Warrants outstanding, beginning balance (in shares) | 132
Warrants Issued (in shares) | 0
Warrants Exercised (in shares) | 0
Warrants Cancelled (in shares) | 0
Warrants outstanding, ending balance (in shares) | 132
Warrants, Expiring November 2022 |
Class of Warrant or Right [Line Items] |
Exercise price per warrant (in dollars per share) | $ / shares | $ 0.55
Warrant Or Right Outstanding [Roll Forward] |
Warrants outstanding, beginning balance (in shares) | 12
Warrants Issued (in shares) | 0
Warrants Exercised (in shares) | 0
Warrants Cancelled (in shares) | 0
Warrants outstanding, ending balance (in shares) | 12
Warrants, Expiring November 2024, Issued May 2015 |
Class of Warrant or Right [Line Items] |
Exercise price per warrant (in dollars per share) | $ / shares | $ 11.83
Warrant Or Right Outstanding [Roll Forward] |
Warrants outstanding, beginning balance (in shares) | 28
Warrants Issued (in shares) | 0
Warrants Exercised (in shares) | 0
Warrants Cancelled (in shares) | 0
Warrants outstanding, ending balance (in shares) | 28
Warrants, Expiring November 2024, Issued November 2014 |
Class of Warrant or Right [Line Items] |
Exercise price per warrant (in dollars per share) | $ / shares | $ 11.04
Warrant Or Right Outstanding [Roll Forward] |
Warrants outstanding, beginning balance (in shares) | 27
Warrants Issued (in shares) | 0
Warrants Exercised (in shares) | 0
Warrants Cancelled (in shares) | 0
Warrants outstanding, ending balance (in shares) | 27

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- Definition Class Of Warrant Or Right, Issued During The Period + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References 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 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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