INCOME TAXES - Deferred Tax Assets (Details) - USD ($) |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Deferred tax assets | ||
| Federal net operating loss | $ 30,179,562 | $ 28,261,717 |
| Federal research and development tax credit carryforwards | 7,063,702 | 6,137,842 |
| State net operating losses and tax credit carryforwards | 4,393,526 | 3,590,961 |
| Capitalized research and development expenses | 9,911,446 | 8,955,425 |
| Stock-based compensation expense | 2,459,336 | 2,333,551 |
| Other | 419,597 | 292,259 |
| Total deferred tax assets | 54,427,169 | 49,571,755 |
| Deferred tax liabilities | ||
| Depreciable assets | (110,705) | (153,928) |
| Total deferred tax liabilities | (110,705) | (153,928) |
| Net deferred tax assets | 54,316,463 | 49,417,827 |
| Less- valuation allowance | $ (54,316,463) | $ (49,417,827) |
| X | ||||||||||
- Definition Amount of deferred tax assets attributable to taxable temporary differences from research and development costs. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax assets tax credit carry forwards domestic research and development. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- 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
|