Equity-Based Compensation (Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended			6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014 Employee Vested Options [Member]	Dec. 31, 2013 Employee Vested Options [Member]	Jun. 30, 2014 Employee Nonvested Options [Member]	Dec. 31, 2013 Employee Nonvested Options [Member]	Jun. 30, 2014 Nonemployee Vested Options [Member]	Dec. 31, 2013 Nonemployee Vested Options [Member]	Jun. 30, 2014 Nonemployee Nonvested Options [Member]	Dec. 31, 2013 Nonemployee Nonvested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)				10,611,480		525,000		4,128,432		470,833
Number of options granted (shares)				855,000		855,000		0		0
Number of options vested (shares)						(571,250)				(350,000)
Number of options exercised (shares)								0
Number of options forfeited (shares)				(200,000)		0		(200,000)		0
Number of options outstanding (shares)				11,266,480	10,611,480	808,750	525,000	3,928,432	4,128,432	120,833	470,833
Number of options vested and expected to vest, outstanding (shares)				11,266,480				3,928,432
Number of options vested and expected to vest, exercisable (shares)				10,457,730				3,807,599
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)				$ 1.73		$ 0.29		$ 1.48		$ 0.25
Weighted Average Exercise Price, Options Granted (usd per share)				$ 0.36		$ 0.36		$ 0.00		$ 0.00
Weighted Average Exercise Price, Options Exercised (usd per share)								$ 0.00
Weighted Average Exercise Price, Options Vested (usd per share)						$ 0.28				$ 0.25
Weighted Average Exercise Price, Options Forfeited (usd per share)				$ 0.43		$ 0.00		$ 2.97		$ 0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)				$ 1.66	$ 1.73	$ 0.37	$ 0.29	$ 1.40	$ 1.48	$ 0.25	$ 0.25
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)				$ 1.66				$ 1.40
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)				$ 1.73				$ 1.65
Share-based Compensation Arrangement by Share-based Payment Award, Options Forfeited, Weighted Average Remaining Contractual Term				8 years				3 years 6 months 23 days
Share-Based Compensation Arrangement By Share-Based Payment Award, Options Granted, Weighted Average Remaining Contractual Term				9 years 11 months 1 day		9 years 11 months 1 day
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 9 months 7 days	4 years 11 months 1 day	9 years 1 month 10 days	8 years 4 months 17 days	4 years 6 months 23 days	5 years 0 months 4 days	9 years 1 month 11 days	9 years 7 months 10 days
Weighted Average Remaining Contractual Term (Years), Options Vested						9 years 2 months 4 days				9 years 1 month 9 days
Weighted Average Remaining Contractual Term (Years), Options outstanding				4 years 9 months 7 days	4 years 11 months 1 day	9 years 1 month 10 days	8 years 4 months 17 days	4 years 6 months 23 days	5 years 0 months 4 days	9 years 1 month 11 days	9 years 7 months 10 days
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest				4 years 9 months 6 days				4 years 6 months 23 days
Weighted Average Remaining Contractual Term (Years), Options exercisable				4 years 3 months 0 days				4 years 5 months 6 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding				$ 0		$ 0		$ 0		$ 0
Aggregate Intrinsic Value, Options Granted				0		0		0		0
Aggregate Intrinsic Value, Options Exercised								0
Aggregate Intrinsic Value, Options Vested						0				0
Aggregate Intrinsic Value, Options Forfeited				0		0		0		0
Aggregate Intrinsic Value, Options Outstanding				0	0	0	0	0	0	0	0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Outstanding				0				0
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Exercisable				0				0
Stock issued during period, value	198	219
Total compensation cost not yet recognized	$ 348		$ 278