Fair Value Measurements (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2015

Sep. 30, 2015

Fair Value Measurements [Abstract]

Schedule Of Liabilities Measured On Recurring Basis, Unobsevable Input Reconciliation

	Fair Value at
	September 30, 2015		Level 1		Level 2		Level 3
Series C preferred embedded derivative	$	8,992	$	0	$	0	$	8,992
Warrant derivative		3,337		0		0		3,337
Derivative liabilities, at fair value	$	12,329	$	0	$	0	$	12,329
	Fair Value at
	December 31, 2014		Level 1		Level 2		Level 3
Series C preferred embedded derivative	$	13,804	$	0	$	0	$	13,804
Warrant derivative		6,533		0		0		6,533
Derivative liabilities, at fair value	$	20,337	$	0	$	0	$	20,337

Schedule Of Assets Or Liabilities Measured On Recurring Basis

	Three months ended						Three months ended
	September 30, 2015						September 30, 2014
		Series C						Series C
		preferred						preferred
		embedded		Warrant				embedded		Warrant
		derivative		derivative		Total		derivative		derivative		Total
Fair value,  beginning of period	$	14,209	$	6,015	$	20,224	$	10,297	$	5,213	$	15,510
Net unrealized (gains) losses on derivatives		(5,217)		(2,678)		(7,895)		3,277		1,338		4,615
Purchases and issuances		0		0		0		0		0		0
Sales and settlements, included in derivative gain (loss)		0		0		0		0		0		0
Gross transfers in		0		0		0		0		0		0
Gross transfers out		0		0		0		0		0		0
Fair value, end of period	$	8,992	$	3,337	$	12,329	$	13,574	$	6,551	$	20,125
Changes in realized  losses, included in income on instruments held at end of period	$	0	$	0	$	0	$	0	$	0	$	0
Changes in unrealized (gains) losses, included in income on instruments held at end of period	$	(5,217)	$	(2,678)	$	(7,895)	$	3,277	$	1,338	$	4,615

	Nine months ended								Nine months ended
	September 30, 2015								September 30, 2014
		Series C				Convertible				Series C				Convertible
		preferred				loan				preferred				loan
		embedded		Warrant		embedded				embedded		Warrant		embedded
		derivative		derivative		derivative		Total		derivative		derivative		derivative		Total
Fair value, beginning of period	$	13,804	$	6,533	$	0	$	20,337	$	3,761	$	2,146	$	0	$	5,907
Net unrealized (gains) losses on derivatives		(4,812)		(3,196)		0		(8,008)		9,813		4,405		0		14,218
Purchases and issuances		0		0		0		0		0		0		151		151
Sales and settlements, included in derivative gain (loss)		0		0		0		0		0		0		(151)		(151)
Gross transfers in		0		0		0		0		0		0		0		0
Gross transfers out		0		0		0		0		0		0		0		0
Fair value, end of period	$	8,992	$	3,337	$	0	$	12,329	$	13,574	$	6,551	$	0	$	20,125
Changes in realized (gains) losses, included in income on instruments held at end of period	$	0	$	0	$	0	$	0	$	0	$	0	$	0	$	0
Changes in unrealized (gains) losses, included in income on instruments held at end of period	$	(4,812)	$	(3,196)	$	0	$	(8,008)	$	9,813	$	4,405	$	0	$	14,218

The Carrying Value And Estimated Fair Value Of Long-Term Debt

	Carrying value				Estimated fair value
	September 30,		December 31,		September 30,		December 31,
	2015		2014		2015		2014
Held for use	$	54,800	$	56,653	$	56,173	$	56,580
Held for sale		10,339		36,034		10,626		35,758
Total	$	65,139	$	92,687	$	66,799	$	92,338