Commitments and Contingencies - Summary of Stock Option Activity (Details)	6 Months Ended
	Jun. 30, 2017 $ / shares shares
Equity [Abstract]
Number of shares Outstanding at the beginning of the period | shares	5,319,000
Number of shares Granted | shares
Number of shares Exercised | shares
Number of shares Forfeited/Cancelled | shares	(674,000)
Number of shares Outstanding at the end of the period | shares	4,645,000
Number of shares Exercisable at end of the period | shares	3,378,000
Weighted Average Exercise Price Outstanding at the beginning of the period | $ / shares	$ 0.57
Weighted Average Exercise Price Granted | $ / shares
Weighted Average Exercise Price Exercised | $ / shares
Weighted Average Exercise Price Forfeited/Cancelled | $ / shares	0.56
Weighted Average Exercise Price Outstanding at the end of the period | $ / shares	0.58
Weighted Average Exercise Price Exercisable at end of the period | $ / shares	$ 0.56