Nature of business and summary of significant accounting policies (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
May 10, 2022 |
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| Accounting Policies [Abstract] | |||||
| Advertising costs | $ 2,900,000 | $ 2,100,000 | $ 5,200,000 | $ 4,100,000 | |
| Share repurchase program, authorized amount | $ 3,000,000 | ||||
| Share repurchases (in shares) | 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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| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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