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Subsequent Events (Details) - Nicoya
$ in Millions
Jun. 18, 2021
USD ($)
Subsequent Event [Line Items]  
Upfront payment from development and license agreement $ 5.0
Proceeds including accrued interest for delayed payment 2.5
Proceeds from submission of investigational new drug 2.5
Phase Three Initiation  
Subsequent Event [Line Items]  
Upfront payment from development and license agreement $ 5.0