Stockholders' Deficit - Summary of Stock Options (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2016 USD ($) $ / shares shares
Summary of stock options
Shares, Outstanding, Beginning Balance | shares	418
Shares, Outstanding, Ending Balance | shares	418	418
Shares, Exercisable at September 30, 2016 | shares	223	223
Weighted Average Exercise Price, Outstanding, Beginning Balance | $ / shares	$ 5.36
Weighted Average Exercise Price, Outstanding, Ending Balance | $ / shares	5.36	$ 5.36
Weighted Average Exercise Price, Exercisable at September 30, 2016 | $ / shares	$ 7.38	$ 7.38
Aggregate Intrinsic Value, Outstanding | $	$ 331,200	$ 331,200
Aggregate Intrinsic Value, Exercisable at September 30, 2016 | $	$ 156,000	$ 156,000
Weighted Average Remaining Contractual Life (Years), Outstanding	8 years 2 months 12 days	8 years 2 months 12 days
Weighted Average Remaining Contractual Life (Years), Exercisable at September 30, 2016	6 years 7 months 6 days