Convertible Note Payable - Related Party, Net (Details)			1 Months Ended		9 Months Ended	12 Months Ended
	Jun. 10, 2016 USD ($) item $ / shares shares	Feb. 11, 2016 USD ($) item $ / shares shares	Jan. 31, 2016 item $ / shares	Oct. 31, 2015 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Oct. 27, 2015 USD ($)
Loss on debt extinguishment						$ (1,653,000)
Derivative income (loss)						(778,000)
Sentient Loan
Principal amount of loan				$ 5,000,000
Amount of accrued interest converted to equity	$ 34,000	$ 100,000
Stock price trigger (as a percent)	90.00%	90.00%
Consecutive trading days, period | item	15	15
Interest rate (as a percent)				9.00%
Amount of debt converted to equity	$ 1,100,000	$ 3,900,000
Equity shares issued upon conversion of debt | shares	4,011,740	23,355,000
Exercise price per share of shares converted from debt | $ / shares	$ 0.289	$ 0.172
Fair value of imbedded derivative								$ 1,100,000
Debt issuance costs				$ 300,000
Loss on debt extinguishment					$ 1,700,000
Derivative income (loss)					(800,000)	(800,000)
Debt outstanding					$ 0	$ 0	$ 0
Sentient Loan | Period Preceding Loan Closure Date
Stock price trigger (in dollars per share) | $ / shares			$ 0.289
Stock price trigger (as a percent)			90.00%
Consecutive trading days, period | item			15
Sentient Loan | Period Preceding Loan Conversion Date
Stock price trigger (as a percent)			90.00%
Consecutive trading days, period | item			15