Employee benefit plan (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Retirement Benefits [Abstract] | ||||||
| Contributions plan amount | $ 81,673 | $ 68,914 | ||||
| Company made contributions | $ 23,000 | $ 16,000 | $ 100,000 | $ 46,000 | ||
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- References No definition available.
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the amount of cash contributions during the period made by the entity to the Employee Stock Ownership Plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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