Nature of business and summary of significant accounting policies (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
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| Accounting Policies [Abstract] | ||
| Advertising costs | $ 2.3 | $ 2.0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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