The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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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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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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Amount of the required periodic payments applied to interest.

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Gross amount of debt extinguished.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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The gross value of stock issued during the period upon the conversion of convertible securities.

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Debt - Other Note Payable - Additional Information (Detail) - USD ($)		9 Months Ended
	May 03, 2016	Sep. 30, 2016	May 23, 2013	Dec. 31, 2011
Debt Instrument [Line Items]
Outstanding accrued interest and prepayment premium conversion, converted amount		$ 17,934,000
Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt, face amount				$ 5,000,000
Debt interest rate, stated percentage			12.00%	10.00%
Restructured Debt [Member] \| Series AB Preferred Stock [Member]
Debt Instrument [Line Items]
Outstanding accrued interest and prepayment premium conversion, converted amount		$ 2,100,000
Number of shares issued upon conversion of debt		1,660,530
Restructured Debt [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Conversion to Common Stock, shares		396,201
Capital Royalty Partners Term Loan [Member]
Debt Instrument [Line Items]
Debt interest rate, stated percentage			11.00%
Extended repayment date		May 03, 2016
Capital Royalty Partners Term Loan [Member] \| Restructured Debt [Member] \| Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Debt, face amount	$ 5,000,000
Debt interest rate, stated percentage	10.00%
Debt extinguished	$ 700,000
Conversion to Common Stock, shares	1,400,000
Extended repayment date		Sep. 08, 2021
Interest payments		$ 0
Capital Royalty Partners Term Loan [Member] \| Restructured Debt [Member] \| Notes Payable, Other Payables [Member] \| Series AB Preferred Stock [Member]
Debt Instrument [Line Items]
Outstanding accrued interest and prepayment premium conversion, converted amount	$ 2,100,000
Capital Royalty Partners Term Loan [Member] \| Restructured Debt [Member] \| Notes Payable, Other Payables [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Number of shares issued upon conversion of debt	1,660,530
Conversion to Common Stock, shares	396,201