Income taxes - Net long-term deferred tax liability (Details) - USD ($) |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Deferred tax assets: | ||
| Research & development tax credits | $ 398,413 | $ 613,003 |
| Loss carry forward | 300,545 | 0 |
| Accrued compensation | 112,446 | 110,092 |
| Valuation allowances | (139,207) | (496,343) |
| Deferred Tax Assets, Net of Valuation Allowance | 672,197 | 226,752 |
| Deferred tax liabilities: | ||
| Property and equipment | 254,301 | 252,800 |
| Intangible assets | 982,422 | 1,188,009 |
| Deferred Tax Liabilities, Gross | 1,236,723 | 1,440,809 |
| Net deferred tax liability | 564,526 | 1,214,057 |
| Discontinued Operations | ||
| Deferred tax assets: | ||
| Operating loss carryforwards - Mexico | 4,230,398 | 4,296,453 |
| Land basis difference - Mexico | 1,602,470 | 1,262,159 |
| Start-up costs - Mexico | 4,693,395 | 4,904,337 |
| Valuation allowances | (10,526,263) | (10,462,949) |
| Deferred Tax Assets, Net of Valuation Allowance | $ 0 | $ 0 |
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to land basis differences. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to start-up costs. 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 capital loss carryforwards. 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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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss 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 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 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, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. 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 intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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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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- Details
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