Quarterly report pursuant to Section 13 or 15(d)

Organization and Description of Business - Additional Information (Detail)

v3.3.0.814
Organization and Description of Business - Additional Information (Detail) - Checkpoint Therapeutics, Inc [Member]
$ in Millions
9 Months Ended
Sep. 30, 2015
USD ($)
Organization And Nature Of Business [Line Items]  
Debt Issuance Cost $ 12.6
Allocated Share-based Compensation Expense $ 1.5