Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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Deferred tax assets: | |||
Research and development tax credits | $ 9,475,588 | $ 8,371,302 | |
Net operating loss carryovers | 67,785,680 | 57,563,810 | |
Property and equipment | 189,271 | 219,461 | |
Research and development costs | 10,923,959 | 12,578,612 | |
Start-up and organizational costs | 462 | 540 | |
Stock-based compensation | 4,659,555 | 4,041,136 | |
Operating lease liability | 187,132 | 245,811 | |
Other accruals | 670,065 | 270,912 | |
Total gross deferred tax assets | 93,891,712 | 83,291,584 | |
Less: valuation allowance | (93,718,497) | (82,929,675) | $ (73,892,063) |
Total deferred tax assets | 173,215 | 361,909 | |
Deferred tax liabilities: | |||
Operating lease right-of-use asset | (173,215) | (361,909) | |
Total deferred tax liabilities | (173,215) | (361,909) | |
Total deferred taxes, net | $ 0 | $ 0 |
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- References No definition available.
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. 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 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, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 temporary differences from property, plant, and equipment. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research 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 share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other. 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 leasing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Deferred tax assets, leasing arrangements. No definition available.
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- Definition Deferred tax assets, start up and organizational costs. No definition available.
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