Quarterly report pursuant to Section 13 or 15(d)

Sponsored Research and Clinical Trial Agreements - summary of Helocyte’s expense related to its clinical research arrangements (Detail)

v3.8.0.1
Sponsored Research and Clinical Trial Agreements - summary of Helocyte’s expense related to its clinical research arrangements (Detail) - Helocyte Inc [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Payments For Research And Development Expenses $ 0 $ 735
COH Triplex Clinical Research and Support [Member]    
Payments For Research And Development Expenses 0 500
COH PepVax Clinical Research And Support [Member]    
Payments For Research And Development Expenses $ 0 $ 235