Commitments and Contingencies (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($) patient	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Jun. 15, 2013 USD ($)
Other Commitments [Line Items]
Deposits for clinical trial services	$ 0		$ 1,955,514
Discretionary cash bonus	0	$ 0
Lease monthly rent				$ 8,063
Rent expense, monthly amount			8,554
Operating lease rent expense	$ 54,000		$ 54,000
Novella Clinical
Other Commitments [Line Items]
Number of patients | patient	542
Deposits for clinical trial services	$ 1,740,937
JHU
Other Commitments [Line Items]
Period within effective date of License Agreement	30 days
PharmaCell B.V Agreement
Other Commitments [Line Items]
Written notice period for termination, to other party	90 days
Future payments due	$ 600,000
PCT, LLC
Other Commitments [Line Items]
Written notice period for termination, to other party	120 days
Future payments due	$ 1,120,000
Employment Agreement With Management
Other Commitments [Line Items]
Base salary	830,000
Discretionary cash bonus	$ 231,000