Common Stock (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Key Assumptions Used to Value the PIPE Warrants

The key assumptions used to value the PIPE Warrants were as follows:

	Original Issuance		December 31, 2016
Expected price volatility	76.25%			78.18%
Expected term (in years)		5.00		4.50
Risk-free interest rates		1.22%		1.93%
Stock price	$	0.89	$	0.54
Dividend yield		—		—