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Debt Conversion, Converted Instrument, Including Paid-in-Kind Interest, Amount

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- Definition

Proceeds from Convertible Debt, Allocation, Beneficial Conversion Feature

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Proceeds from Convertible Debt, Allocation, Conversion Option Liability

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- Definition

Proceeds from Convertible Debt, Allocation, Warrants

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- Definition

Proceeds from Convertible Debt, Gross

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- Definition

Unamortized Convertible Debt Discount, Recognized in Earnings

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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Convertible Debentures (Convertible Debenture Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended			3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 12, 2013	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2013	Mar. 31, 2013	May 01, 2011
Convertible Debentures [Roll Forward]
Interest expense recognized	$ 2,734us-gaap_InterestExpense	$ 3,783us-gaap_InterestExpense
Convertible Debentures [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Price			$ 15.00
Convertible Debentures [Roll Forward]
Gross balance, beginning balance					18,328	2,493
Less: Discounts, beginning balance					(2,440)	(529)			(1)
Convertible debentures, net, beginning balance					15,888	1,964
Proceeds from convertible debentures, before allocations					0	14,664	5,465
Allocated to detachable warrants					0	(1,660)
Allocated to beneficial conversion feature					0	(140)
Allocated to conversion option liability					0	(467)
PIK interest			778
Issuance of common shares				12,392	(19,035)	0
Gross balance, ending balance					0	18,328	2,493
Less: Discounts, ending balance					0	(2,440)	(529)		(1)
Convertible debentures, net, ending balance					0	15,888	1,964
Convertible Debentures [Member] \| Convertible Debentures 2009 [Member]
Debt Instrument [Line Items]
Debt Instrument, Convertible, Conversion Price										$ 16.26
Convertible Debentures [Roll Forward]
Recognition of unamortized debt discount upon conversion					0	0
Convertible Debentures [Member] \| Interest Expense [Member]
Convertible Debentures [Roll Forward]
PIK interest					707	1,171
Amortization of debt discount					190	355
Recognition of unamortized debt discount upon conversion					2,250	0
IPO [Member] \| Convertible Debentures [Member] \| Interest Expense [Member]
Convertible Debentures [Roll Forward]
Recognition of unamortized debt discount upon conversion			$ 1					$ 1