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Debt (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Less: debt - current, Principal	$ (3,268)	$ (3,366)
Less: debt - current, Unamortized Discount	0	0
Less: debt - current	(3,268)	(3,366)	[1]
Debt - non-current, Principal	0	0
Debt - non-current, Unamortized Discount	0	0
Debt - non-current	0	0
Comerica - Revolving Line of Credit, due 2014
Debt Instrument [Line Items]
Total debt, Principal	3,268	3,366
Total debt, Unamortized amount	0	0
Total debt	$ 3,268	$ 3,366
[1] The financial information in this column was derived from audited financial statements included in the Company's 2013 Annual Report on Form 10-K.

X

- Definition

Current portion carrying value of the debt instrument before deducting unamortized discounts (if any).

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- Definition

Non-current portion carrying value of the debt instrument before deducting unamortized discounts (if any).

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- Definition

Current portion of the unamortized discounts on the debt instrument.

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Non-current portion of the unamortized discounts on the debt instrument.

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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.

+ References

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- Definition

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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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

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