Income Taxes - Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
May 31, 2023 |
May 31, 2022 |
|---|---|---|
| Components of Deferred Tax Assets and Liabilities | ||
| Net operating loss | $ 96,338 | $ 106,965 |
| Credits | 2,063 | 2,063 |
| ASC 718 expense on non-qualified stock options | 6,400 | 6,057 |
| Charitable contribution carry forward | 0 | 14 |
| Accrued vacation and payroll | 21 | 68 |
| Right of use asset | (84) | (112) |
| Lease liability | 89 | 117 |
| Inventory charges | 6,173 | 2,138 |
| Inventory write-off | 13,739 | 0 |
| Issued warrants | 2,317 | 0 |
| Section 174 R&D costs | 858 | 0 |
| Accrued legal settlements | 13 | 0 |
| Accrued legal fees | 3 | 0 |
| Accrued expenses | 36 | 89 |
| Amortization | 609 | 238 |
| Fixed assets | 4 | 1 |
| Valuation allowance | (128,579) | (117,638) |
| Deferred tax asset, non-current | 0 | 0 |
| Non-current asset | 128,579 | 117,638 |
| Valuation allowance | (128,579) | (117,638) |
| Deferred tax asset (liability) non-current | 0 | 0 |
| Net operating loss | $ 458,800 | $ 509,400 |
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- Definition Charitable contribution carry forward. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued legal fees. No definition available.
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- Definition Deferred Tax Assets, Amortization No definition available.
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- Definition Amount of deferred tax assets attributable to taxable temporary differences from leasing arrangements. No definition available.
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- Definition Deferred tax assets tax deferred expense reserves and accruals accrued vacation and payroll expenses. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warrants issuance No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax liability attributable to deductible temporary differences from right of use asset. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory write-off No definition available.
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. No definition available.
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the estimated loss from legal settlements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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