| Common Stock - Common stock reserved for issuance (Details) | Sep. 30, 2020  shares | 
|---|---|
| Share based compensation plan | |
| Class of Stock [Line Items] | |
| Common stock reserved for issuance | 17,000,000 | 
| Warrants to purchase common stock | |
| Class of Stock [Line Items] | |
| Common stock reserved for issuance | 5,250,000 | 
| 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 | ||||||||||
| 
- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Details 
 |