Equity-Based Compensation (Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options or equity warrants granted in period (shares)	800,000	855,000
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Stock issued during period, value	$ 111
Total compensation cost not yet recognized	$ 269	$ 348
Employee Vested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	11,287,888
Number of options granted (shares)	800,000
Number of options forfeited (shares)	(565,000)
Number of options outstanding (shares)	11,522,888		11,287,888
Number of options vested and expected to vest, outstanding (shares)	11,522,888
Number of options vested and expected to vest, exercisable (shares)	10,639,853
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.64
Weighted Average Exercise Price, Options Granted (usd per share)	0.25
Weighted Average Exercise Price, Options Forfeited (usd per share)	1.75
Weighted Average Exercise Price, Options Outstanding (usd per share)	1.54		$ 1.64
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)	1.54
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)	$ 1.60
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	4 years 8 months 15 days		4 years 7 months 9 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	4 years 8 months 15 days		4 years 7 months 9 days
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest	4 years 8 months 15 days
Weighted Average Remaining Contractual Term (Years), Options exercisable	4 years 2 months 2 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	$ 0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0		$ 0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Outstanding	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Exercisable	$ 0
Employee Nonvested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	710,594
Number of options granted (shares)	800,000
Number of options vested (shares)	(627,559)
Number of options forfeited (shares)	0
Number of options outstanding (shares)	883,035		710,594
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.38
Weighted Average Exercise Price, Options Granted (usd per share)	0.25
Weighted Average Exercise Price, Options Vested (usd per share)	0.97
Weighted Average Exercise Price, Options Forfeited (usd per share)	0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 0.65		$ 1.38
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	8 years 11 months 19 days		8 years 9 months 4 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	8 years 11 months 19 days		8 years 9 months 4 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	$ 0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Vested	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	$ 0		$ 0
Nonemployee Vested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	3,800,000
Number of options granted (shares)	0
Number of options exercised (shares)	0
Number of options forfeited (shares)	(327,000)
Number of options outstanding (shares)	3,473,000		3,800,000
Number of options vested and expected to vest, outstanding (shares)	3,473,000
Number of options vested and expected to vest, exercisable (shares)	3,464,667
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 1.36
Weighted Average Exercise Price, Options Granted (usd per share)	0.00
Weighted Average Exercise Price, Options Exercised (usd per share)	0.00
Weighted Average Exercise Price, Options Forfeited (usd per share)	1.75
Weighted Average Exercise Price, Options Outstanding (usd per share)	1.32		$ 1.36
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)	1.32
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)	$ 1.56
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	4 years 7 months 23 days		4 years 9 months
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	4 years 7 months 23 days		4 years 9 months
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest	4 years 7 months 23 days
Weighted Average Remaining Contractual Term (Years), Options exercisable	4 years 3 months 15 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	$ 0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Exercised	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0		$ 0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Outstanding	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Exercisable	$ 0
Nonemployee Nonvested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)	33,333
Number of options granted (shares)	0
Number of options vested (shares)	(25,000)
Number of options forfeited (shares)	0
Number of options outstanding (shares)	8,333		33,333
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 2.60
Weighted Average Exercise Price, Options Granted (usd per share)	0.00
Weighted Average Exercise Price, Options Vested (usd per share)	2.60
Weighted Average Exercise Price, Options Forfeited (usd per share)	0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 2.60		$ 2.60
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	8 years 4 months 31 days		9 years 1 month
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	8 years 4 months 31 days		9 years 1 month
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding	$ 0
Aggregate Intrinsic Value, Options Granted	0
Aggregate Intrinsic Value, Options Vested	0
Aggregate Intrinsic Value, Options Forfeited	0
Aggregate Intrinsic Value, Options Outstanding	0		$ 0
General and Administrative Expense [Member]
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Stock issued during period, value	$ 111	$ 198