Contingencies - Additional Information (Detail) - Master Services Agreement (MSA) [Member] - USD ($)	6 Months Ended
	Jun. 30, 2015	Jan. 31, 2015	Dec. 31, 2013
Cel-Sci Corporation versus PharmaNet [Member]
Loss Contingencies [Line Items]
Demand for arbitration	October 31, 2013
Damages claim on arbitration	$ 50,000,000
Cel Sci Corporation Versus Inventiv Health Clinical LLC [Member]
Loss Contingencies [Line Items]
Counterclaim damages on arbitration		$ 2,000,000	$ 2,000,000
Counterclaim on other equitable remedies		$ 20,000,000