Stock-based Compensation, Equity Grants, and Warrants - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Jun. 30, 2015
Number of Shares
Outstanding at the beginning of the period (in shares)	2,155	2,380
Granted (in shares)		0
Cancelled (in shares)		(44)
Outstanding at the end of the period (in shares)	2,380	2,336
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)		$ 1.40
Granted (in dollars per share)		0.00
Cancelled (in dollars per share)		1.40
Outstanding at the end of the period (in dollars per share)	$ 1.40	$ 1.40
Weighted Average Remaining Contractual Term
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	7 years 9 months 22 days	7 years 18 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	7 years 9 months 22 days	7 years 18 days
Aggregate Intrinsic Value
Outstanding at the beginning of the period (in dollars)		$ 1,589
Outstanding at the end of the period (in dollars)	$ 1,589	$ 3,128