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Equity - Warranty Activity (Details) - $ / shares shares in Thousands | Mar. 31, 2021 | Aug. 31, 2020
--- | --- | ---
Class of Warrant or Right [Line Items] |  |
Class of warrant or right, outstanding (in shares) | 12,378,016 |
Exercise price (in dollars per share) | $ 1.60 | $ 2.54
Exercise of common warrants |  |
Class of Warrant or Right [Line Items] |  |
Class of warrant or right, outstanding (in shares) | 292,469 |
Exercise of common warrants |  |
Class of Warrant or Right [Line Items] |  |
Class of warrant or right, outstanding (in shares) | 12,085,547 |

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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 http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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