| Product Sales and Marketing Services Agreement - Future minimum cash payments due to the retailer (Details) $ in Thousands | Dec. 31, 2021  USD ($) | 
|---|---|
| Product Sales and Marketing Services Agreement | |
| 2022 | $ 1,000 | 
| 2023 | 1,000 | 
| 2024 | 1,000 | 
| 2025 | 500 | 
| Total | $ 3,500 | 
| X | ||||||||||
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- Definition Amount of future minimum cash payments due to the retailer. No definition available. 
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| X | ||||||||||
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- Definition Amount of future minimum cash payments due to the retailer in the next fiscal year following the latest fiscal year. No definition available. 
 | 
| X | ||||||||||
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- Definition Amount of future minimum cash payments due to the retailer in the fourth fiscal year following the latest fiscal year. No definition available. 
 | 
| X | ||||||||||
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- Definition Amount of future minimum cash payments due to the retailer in the third fiscal year following the latest fiscal year. No definition available. 
 | 
| X | ||||||||||
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- Definition Amount of future minimum cash payments due to the retailer in the second fiscal year following the latest fiscal year. No definition available. 
 | 
| X | ||||||||||
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- References No definition available. 
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