Equity-Based Compensation (Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 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	955,000
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Stock issued during period, value	$ 148
Total compensation cost not yet recognized	$ 231	$ 301
Warrants outstanding	2,232,392
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)	10,929,674
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)	$ 1.58
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 5 months 13 days		4 years 7 months 9 days
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 5 months 13 days		4 years 7 months 9 days
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest	4 years 5 months 13 days
Weighted Average Remaining Contractual Term (Years), Options exercisable	4 years 17 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)	(917,380)
Number of options forfeited (shares)	0
Number of options outstanding (shares)	593,214		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)	0.96
Weighted Average Exercise Price, Options Forfeited (usd per share)	0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)	$ 0.50		$ 1.38
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	8 years 8 months 10 days		8 years 9 months 4 days
Weighted Average Remaining Contractual Term (Years), Options outstanding	8 years 8 months 10 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)	(477,000)
Number of options outstanding (shares)	3,323,000		3,800,000
Number of options vested and expected to vest, outstanding (shares)	3,323,000
Number of options vested and expected to vest, exercisable (shares)	3,323,000
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)	1.83
Weighted Average Exercise Price, Options Outstanding (usd per share)	1.29		$ 1.36
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)	1.29
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)	$ 1.29
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 6 months 25 days		4 years 9 months
Weighted Average Remaining Contractual Term (Years), Options outstanding	4 years 6 months 25 days		4 years 9 months
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest	4 years 6 months 25 days
Weighted Average Remaining Contractual Term (Years), Options exercisable	4 years 6 months 25 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)	(33,333)
Number of options forfeited (shares)	0
Number of options outstanding (shares)	0		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)	$ 0.00		$ 2.60
Share-based Compensation Arrangement By Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Roll Forward]
Weighted Average Remaining Contractual Term (Years), Options outstanding	0 years		9 years 1 month
Weighted Average Remaining Contractual Term (Years), Options outstanding	0 years		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	$ 148	$ 260