Nature of business and summary of significant accounting policies - Going concern considerations (Details) $ in Millions |
Dec. 31, 2022
USD ($)
|
|---|---|
| Line of credit | Wintrust Credit Facility | |
| Short-Term Debt [Line Items] | |
| Covenant, minimum liquidity required | $ 8.5 |
| X | ||||||||||
- Definition Debt Instrument, Minimum Liquidity Required No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|