Long-term Debt - Additional Information (Detail) (USD $) Share data in Millions, unless otherwise specified	1 Months Ended
Mar. 31, 2013
Debt Instrument [Line Items]
Fair value of warrant	$ 541,000
Senior Secured Term Loan
Debt Instrument [Line Items]
Debt instrument maximum borrowing capacity	15,000,000
Debt instrument issued	10,000,000
Debt instrument to be issued beginning November 30, 2013 through December 15, 2013	5,000,000
Interest rate terms	The interest rate on the term loan floats at a rate per annum equal to the greater of 12.25% and 12.25% plus the amount by which the prime rate exceeds 3.25%.
Debt instrument term	42 months
Debt instrument discount	1,900,000
Debt instrument issuance cost	300,000
Senior Secured Term Loan \| Warrants
Debt Instrument [Line Items]
Warrant exercisable period	5 years
Number of warrant issued	0.5
Warrant, additional shares	150,000
Warrant exercise price	1.1045
Fair value of warrant	541,000
Senior Secured Term Loan \| Closing Facility Charge
Debt Instrument [Line Items]
Amount of facility charges under debt instrument	150,000
Senior Secured Term Loan \| Fee Due At Maturity
Debt Instrument [Line Items]
Amount of facility charges under debt instrument	$ 1,300,000

Class of Warrant or Right, Expiration Period

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- Definition

Debt Instrument Discount

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Debt Instrument Repayment Period

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Amount used in calculation of additional number of shares underlying warrant, divided by the exercise price then in effect.

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The exercise price of each class of warrants or rights outstanding.

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The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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