Cystic Fibrosis Foundation Award (Details) - USD ($)	Mar. 13, 2020	Mar. 31, 2020
Award [Line Items]
Award receivable		$ 1,000,000
Deferred award liability		859,000
Cystic Fibrosis Foundation [Member]
Award [Line Items]
Award receivable	$ 1,000,000
Award agreement interruption period	360 days
Deferred award liability		$ 900,000
Maximum [Member] | Cystic Fibrosis Foundation [Member]
Award [Line Items]
Amount of threshold development award	$ 5,000,000