Warrant Liability (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Liability [Abstract]

Schedule of Share Based Payment Award Warrants Valuation Assumptions

The estimated fair value of the Warrant Liability for the 2016 Warrants on the closing date, July 5, 2016, was $4.6 million and was calculated using the following assumptions:

Risk-free interest rate	0.94%
Expected volatility	107%
Expected term in years	5.5
Dividend yield	-%