Other long-term liabilities - Other long-term liabilities (Details) - USD ($) |
Mar. 31, 2021 |
Dec. 31, 2020 |
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| Payables and Accruals [Abstract] | ||
| Severance liability | $ 293,254 | $ 297,120 |
| Customer deposit balance | 348,022 | 366,947 |
| Total other long-term liabilities | $ 641,276 | $ 664,067 |
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- Definition Customer Deposit Balance No definition available.
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment. No definition available.
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