Income taxes (Details Narrative) - USD ($) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] | |||||
| Income tax benefit (expense) | $ 2,000 | $ 2,000 | $ (18,000) | ||
| Effective tax rate | 1.00% | 1.00% | 0.00% | ||
| Federal statutory rate | 21.00% | 21.00% | 21.00% | 21.00% | |
| Valuation allowance | $ (29,509,000) | $ (24,479,000) | $ (19,095,000) | ||
| Accrued interest and penalties | 0 | 0 | |||
| Domestic Tax Jurisdiction [Member] | |||||
| Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] | |||||
| Net operating loss carryforwards | 89,700,000 | 59,300,000 | |||
| Maximum [Member] | |||||
| Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] | |||||
| Income tax benefit (expense) | $ 100,000 | $ 100,000 | $ 100,000 | $ 100,000 | |
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- Definition Effective income tax rate. No definition available.
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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 Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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- Details
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