Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss and tax credit carryforwards	$ 83,383,006	$ 72,201,754
Capital loss carryforward		5,514
Accrued expenses		363,149
Start-up costs	6,033	5,664
Excess of book over tax depreciation	240,231	259,667
Stock option and restricted stock award expense	1,806,546	1,429,488
Debt Extinguishment	61,945	58,161
Less: valuation allowance	(85,268,067)	(74,138,667)
Deferred tax assets	229,694	184,730
Deferred tax liability:
Property and equipment basis	50,174	10,434
Prepaid expenses	179,520	174,296
Deferred tax liabilities	229,694	184,730
Net deferred tax asset	$ 0	$ 0

Deferred tax assets debt extinguishment

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Deferred tax assets net operating loss and capital loss carryforwards.

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Deferred tax assets start up costs.

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Deferred tax assets tax deferred expense reserves and accruals accrued expenses.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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