Related party transactions (Details) |
1 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Nov. 30, 2020
shares
|
Jul. 20, 2020
director
shares
|
Jun. 24, 2020
director
shares
|
Mar. 17, 2020
shares
|
Dec. 19, 2019
shares
|
Nov. 04, 2019
shares
|
Sep. 30, 2020
shares
|
Jun. 30, 2020
USD ($)
shares
|
Dec. 31, 2021
USD ($)
shares
|
Dec. 31, 2020
USD ($)
shares
|
Dec. 31, 2019
USD ($)
|
|
| Related Party Transactions [Abstract] | |||||||||||
| Subordinated convertible notes issued | $ 0 | $ 18,910,000 | |||||||||
| Warrants issued (in shares) | shares | 66,667 | 33,334 | 166,668 | 167,206 | 156,250 | 1,834 | 95,043 | 331,771 | 548,110 | 8,321,412 | |
| Director | |||||||||||
| Related Party Transactions [Abstract] | |||||||||||
| Warrants issued (in shares) | shares | 83,334 | 250,000 | |||||||||
| Number of members of board of directors to whom warrants were issued | director | 3 | 3 | |||||||||
| Director fees incurred | $ 400,000 | $ 0 | |||||||||
| Director fees payable | $ 100,000 | ||||||||||
| Convertible Subordinated Debt | Director | |||||||||||
| Related Party Transactions [Abstract] | |||||||||||
| Subordinated convertible notes issued | $ 800,000 | $ 2,200,000 | |||||||||
| X | ||||||||||
- Definition Number of warrants or rights issued during the period. No definition available.
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| X | ||||||||||
- Definition The number of members of Board of Directors to whom warrants were issued by the Company. No definition available.
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| X | ||||||||||
- Definition Amount for accounts payable to related parties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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