Income Taxes - Net Deferred Tax Assets and Liabilities (Detail) - USD ($) |
May 31, 2021 |
May 31, 2020 |
May 31, 2019 |
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| Components of Deferred Tax Assets and Liabilities [Abstract] | |||
| Net operating loss | $ 74,258,000 | $ 55,624,000 | |
| Credits | 2,063,000 | 2,063,000 | |
| ASC 718 expense on NQO's | 5,510,000 | 4,069,000 | |
| Charitable contribution-carry forward | 14,000 | 0 | |
| Accrued vacation & payroll | 87,000 | 112,000 | |
| ASC 842 lease accounting | (3,000) | 0 | |
| Inventory reserve | 146,000 | ||
| Accrued expenses | 874,000 | 349,000 | |
| Fixed assets | 0 | (1,000) | |
| Amortization | 396,000 | 373,000 | |
| Debt discount | 0 | 0 | |
| Basis difference in acquired assets | (91,000) | (2,483,000) | |
| Valuation allowance | (83,254,000) | (60,106,000) | |
| Deferred tax asset (liability) non-current | 0 | 0 | |
| Noncurrent asset (liabilities) | 83,254,000 | 60,106,000 | |
| Valuation allowance | (83,254,000) | (60,106,000) | |
| Deferred tax asset (liability) non-current | 0 | 0 | |
| Net operating loss | $ 353,600,000 | $ 264,900,000 | $ 190,500,000 |
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- Definition Charitable contribution carry forward. No definition available.
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- Definition Deferred Tax Assets, Amortization No definition available.
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- Definition Represents Deferred Tax Assets Liability Difference In Acquired Assets. 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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- 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 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 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 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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- Definition Amount of deferred tax liability attributable to taxable temporary differences from financing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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