Equity-Based Compensation (Option Activity) (Details) (USD $)	3 Months Ended			12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Employee Vested Options [Member]	Dec. 31, 2012 Employee Vested Options [Member]	Mar. 31, 2013 Employee Nonvested Options [Member]	Dec. 31, 2012 Employee Nonvested Options [Member]	Mar. 31, 2013 Nonemployee Vested Options [Member]	Dec. 31, 2012 Nonemployee Vested Options [Member]	Mar. 31, 2013 Nonemployee Nonvested Options [Member]	Dec. 31, 2012 Nonemployee Nonvested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options outstanding (shares)			9,441,480		516,373		3,428,432		210,422
Number of options granted (shares)			0		0		0		0
Number of options vested (shares)					(306,415)				(117,707)
Number of options exercised (shares)							0
Number of options forfeited (shares)			0		0		(150,000)		0
Number of options outstanding (shares)			9,441,480	9,441,480	209,958	516,373	3,278,432	3,428,432	92,715	210,422
Number of options vested and expected to vest, outstanding (shares)			9,441,480				3,278,432
Number of options vested and expected to vest, exercisable (shares)			9,231,522				3,185,717
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)			$ 1.90		$ 0.45		$ 1.73		$ 0.40
Weighted Average Exercise Price, Options Granted (usd per share)			$ 0.00		$ 0.00		$ 0.00		$ 0.00
Weighted Average Exercise Price, Options Exercised (usd per share)							$ 0.00
Weighted Average Exercise Price, Options Vested (usd per share)					$ 0.45				$ 0.47
Weighted Average Exercise Price, Options Forfeited (usd per share)			$ 0.00		$ 0.00		$ 2.00		$ 0.00
Weighted Average Exercise Price, Options Outstanding (usd per share)			$ 1.90	$ 1.90	$ 0.45	$ 0.45	$ 1.72	$ 1.73	$ 0.31	$ 0.40
Weighted Average Exercise Price, Options Vested and Expected to Vest, Outstanding (usd per share)			$ 1.90				$ 1.72
Weighted Average Exercise Price, Options Vested and Expected to Vest, Exercisable (usd per share)			$ 1.93				$ 2.01
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			5 years 1 month 7 days	5 years 4 months 5 days	9 years 0 months 28 days	9 years 5 months 5 days	4 years 7 months 27 days	4 years 8 months 15 days	8 years 9 months 8 days	9 years 8 months 5 days
Weighted Average Remaining Contractual Term (Years), Options Granted			0 years		0 years		0 years		0 years
Weighted Average Remaining Contractual Term (Years), Options Vested					9 years 3 months				8 years 10 months 15 days
Weighted Average Remaining Contractual Term (Years), Options Exercised							0 years
Weighted Average Remaining Contractual Term (Years), Options Forfeited			0 years		0 years		0 years		0 years
Weighted Average Remaining Contractual Term (Years), Options outstanding			5 years 1 month 7 days	5 years 4 months 5 days	9 years 0 months 28 days	9 years 5 months 5 days	4 years 7 months 27 days	4 years 8 months 15 days	8 years 9 months 8 days	9 years 8 months 5 days
Weighted Average Remaining Contractual Term (Years), Options vested and expected to vest			5 years 1 month 7 days				4 years 7 months 27 days
Weighted Average Remaining Contractual Term (Years), Options exercisable			5 years 0 months 5 days				4 years 7 months 22 days
Share-based Compensation Arrangement By Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Aggregate Intrinsic Value, Options Outstanding			$ 0.00		$ 0.00		$ 0.00		$ 0.00
Aggregate Intrinsic Value, Options Granted			0.00		0.00		0.00		0.00
Aggregate Intrinsic Value, Options Exercised							0.00
Aggregate Intrinsic Value, Options Vested					0.00				0.00
Aggregate Intrinsic Value, Options Forfeited			0.00		0.00		0.00		0.00
Aggregate Intrinsic Value, Options Outstanding			0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Outstanding			0.00				0.00
Aggregate Intrinsic Value, Options Vested and Expected to Vest, Exercisable			0.00				0.00
Stock issued during period, value	121,000	36,000
Dilutive securities, effect on basic earnings per share (usd per share)	0.00	0.00
Total compensation cost not yet recognized	$ 208,000	$ 121,000