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Subsequent Events - Additional Information (Detail) (USD $)
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1 Months Ended | ||||||||
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Mar. 31, 2013
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Mar. 31, 2013
Domestic Revolver Credit Facility
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Dec. 31, 2012
Domestic Revolver Credit Facility
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Mar. 31, 2013
Ex-Im Revolver
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Dec. 31, 2012
Ex-Im Revolver
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May 07, 2013
Subsequent Event
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Apr. 26, 2013
Subsequent Event
Affiliation Agreement
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May 07, 2013
Subsequent Event
Domestic Revolver Credit Facility
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May 07, 2013
Subsequent Event
Ex-Im Revolver
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| Subsequent Event [Line Items] | |||||||||
| Lines of credit current borrowing capacity | $ 4,000,000 | ||||||||
| Lines of credit borrowing capacity | 8,000,000 | 4,000,000 | 4,000,000 | 10,000,000 | 6,000,000 | ||||
| Commitment fee percent | 1.50% | ||||||||
| Commitment fee | 30,000 | ||||||||
| Increase additional borrowing capacity | $ 2,000,000 | ||||||||
| Prime rate | 3.25% | ||||||||
| Interest on principal balance is prime plus | 2.00% | 1.50% | |||||||
| Reduction in interest rates | 1.00% | 0.50% | |||||||
| LIBOR floor | 1.00% | 1.00% | 2.50% | 2.50% | |||||
| Warrants issued to purchase common stock | 500,000 | ||||||||
| Exercise price of warrants | 5.90 | ||||||||
| Warrant vesting rate | 1,000 | ||||||||
| Warrant expiration date | Apr. 24, 2014 | ||||||||
| X | ||||||||||
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- Definition
Class Of Warrant Or Right Warrants Exercisable No definition available.
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| X | ||||||||||
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- Definition
Interest Rate Margin Reduction No definition available.
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| X | ||||||||||
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- Definition
LIBOR floor rate applicable to variable rates. No definition available.
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| X | ||||||||||
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- Definition
The exercise price of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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- Definition
The effective interest rate at the end of the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the fee for available but unused credit capacity under the credit facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. No definition available.
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| X | ||||||||||
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- Definition
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Increase for additional borrowings on the credit facility during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Date the equity-based award expires, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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