Accrued interest noncurrent.

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Cash sweep as percentage of consolidated free cash flow.

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Class of warrant or rights date from which warrants or rights expire.

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Debt instrument convertible amended conversion price.

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Debt instrument maturity date extended.

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Incremental borrowing rate.

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Minimum percentage of common stock outstanding to provide continuity to nominee on board.

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- Definition

Net proceeds of secured loan agreement.

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Reclassification date of convertible notes into short term liability.

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Reduction in face value on discounting.

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- Definition

Warrant liability fair value disclosure.

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No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Expiration, mandatory redemption, or due date, in CCYY-MM-DD format, of the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

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

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date the debt instrument was issued, in CCYY-MM-DD format.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Discussion of the facts and amounts pertaining to each failure to comply with an affirmative or negative covenant of a long-term debt instrument, including violating payment terms or an inability to meet certain minimum financial requirements or achieve or maintain certain financial ratios. The discussion would generally be expected to also include whether or not the failure can and will be overcome and a description of the terms of any waivers, including the amount of the waiver and the period of time covered by the waiver, and if reclassification of long-term debt to current has been made in the current balance sheet.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Fair value portion of notes payable.

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Notes Payable - Additional Information (Detail) (USD $)	12 Months Ended										12 Months Ended		12 Months Ended		12 Months Ended						12 Months Ended
Notes Payable - Additional Information (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Sep. 27, 2012	Sep. 26, 2012	May 16, 2006	Sep. 26, 2005	Dec. 31, 2013 August 2009 Warrants [Member]	Dec. 31, 2013 June 2010 MHR Warrants [Member]	Dec. 31, 2013 August 2010 Investor Warrants [Member]	Dec. 31, 2013 July 2011 Warrants [Member]	Dec. 31, 2013 2013 MHR Modification Warrants [Member]	Dec. 31, 2013 MHR Restructuring Warrants [Member]	Dec. 31, 2013 Convertible Notes [Member]	Sep. 27, 2012 Convertible Notes [Member]	Dec. 31, 2013 MHR Promissory Notes [Member]	Apr. 26, 2013 MHR Promissory Notes [Member]	Sep. 27, 2012 MHR Promissory Notes [Member]	Sep. 26, 2012 MHR Promissory Notes [Member]	Jun. 08, 2010 MHR Promissory Notes [Member]	Sep. 26, 2005 MHR Promissory Notes [Member]	Dec. 31, 2013 Amended and Restated Bridge Notes [Member]	May 07, 2013 Amended and Restated Bridge Notes [Member]	Oct. 17, 2012 Amended and Restated Bridge Notes [Member]	May 07, 2013 Amended and Restated Convertible Notes [Member] Immediately After [Member]	May 07, 2013 Amended and Restated Convertible Notes [Member] Immediately Before [Member]	May 07, 2013 Amended and Restated Reimbursement Notes [Member]
Class of Warrant or Right [Line Items]
Net proceeds of secured loan agreement						$ 12,900,000
Secured loan amount from MHR						15,000,000													600,000				1,400,000
Interest rate			13.00%														11.00%	10.00%		11.00%	13.00%
Conversion price per share	$ 0.50				$ 3.78																		$ 0.50
11% Senior secured convertible notes loan agreement, execution date	May 16, 2006
Minimum percentage of common stock outstanding to provide continuity to Mutual Nominee on Board	2.00%
Maturity date of Notes	Sep. 26, 2012
Convertible notes default description													The Convertible Notes were due on September 26, 2012. As of September 27, 2012, the Company was in default under the terms of the Convertible Notes as a result of its failure to pay approximately $30.5 million in principal and interest due and payable on September 26, 2012.
Reclassification of convertible notes into short term liability	Sep. 27, 2012
Principal and interest due and payable	35,935,000	31,576,000												30,500,000		32,900,000
Common stock, shares issued	1,274,333												28,748,424								3,254,246
Debt instrument convertible amended conversion price													$ 1.25
Accrued interest													1,100,000
Cash Sweep as percentage of consolidated free cash flow	40.00%
Due date or expiry date	Jun. 04, 2012
Maturity date of Notes															Sep. 26, 2012
Incremental borrowing rate	10.00%
Discounted value of the face amounts	25,000
Default of the aggregate reimbursement notes				600,000
Number of warrants issued							3,729,323	865,000	3,598,146	3,805,307	10,000,000	21,997,776
Warrants exercised with exercise price											0.50
Warrant shares, Expiry date											Jul. 08, 2019
Legal fees	497,000
Fair value of the MHR restructuring warrants	10,000,000
Fair value of embedded conversion feature																						$ 1,104,767		$ 0	$ 12,810,557	$ 156,041