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LINES OF CREDIT AND OTHER BORROWINGS - Additional Information (Detail) (USD $)
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1 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||
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Dec. 31, 2011
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Sep. 30, 2012
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Sep. 30, 2012
Agreement
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May 24, 2012
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Sep. 30, 2012
Line of Credit [Member]
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Sep. 30, 2012
Line of Credit [Member]
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Sep. 30, 2011
Loan And Security Agreement [Member]
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Sep. 30, 2011
Loan And Security Agreement [Member]
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Sep. 30, 2012
Financed Insurance Premiums [Member]
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Sep. 30, 2011
Financed Insurance Premiums [Member]
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Sep. 30, 2012
Financed Insurance Premiums [Member]
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Sep. 30, 2011
Financed Insurance Premiums [Member]
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Sep. 30, 2012
Amendment One [Member]
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Sep. 30, 2012
Minimum
Amendment One [Member]
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Sep. 30, 2012
Maximum
Amendment One [Member]
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Sep. 30, 2012
Domestic Revolver Credit Facility [Member]
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Sep. 30, 2012
Ex-Im Revolver [Member]
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| Lines of Credit and Other Borrowings [Line Items] | |||||||||||||||||
| Line of credit borrowing capacity | $ 8,000,000 | $ 8,000,000 | $ 8,000,000 | $ 4,000,000 | $ 4,000,000 | ||||||||||||
| Number revolving credit facility agreements | 2 | ||||||||||||||||
| Borrowings amount | 2,200,000 | 2,200,000 | 600,000 | 1,600,000 | |||||||||||||
| Line of credit maturity date | May 01, 2014 | ||||||||||||||||
| Restricted cash account | 0 | 0 | |||||||||||||||
| Borrowings are secured by assets | Substantially all of the Company's assets now owned or hereinafter acquired | ||||||||||||||||
| Interest on principal balance is LIBOR plus | 5.25% | 4.25% | |||||||||||||||
| LIBOR floor | 1.00% | 1.00% | |||||||||||||||
| Unused capacity commitment fee percentage | 0.25% | ||||||||||||||||
| Interest Expense | 98,000 | 133,000 | 293,000 | 0 | 4,000 | 4,000 | |||||||||||
| Accrued Interest Payable | 17,000 | 17,000 | |||||||||||||||
| Amortization of deferred debt issuance costs | 38,000 | 53,000 | |||||||||||||||
| Amortization of discount on lines of credit | 18,000 | 25,000 | |||||||||||||||
| Annual commitment fee | 120,000 | ||||||||||||||||
| Total commitment fees paid | 240,000 | ||||||||||||||||
| Warrants to purchase common stock granted to Comerica Bank | 80,000 | ||||||||||||||||
| Exercise price of warrants | 2.00 | 2.00 | 2.83 | ||||||||||||||
| Expiration of unexercised warrants | May 24, 2017 | ||||||||||||||||
| Fair value warrants Expected terms | 4 years 9 months 18 days | 5 years | 4 years 9 months 18 days | ||||||||||||||
| Fair value warrants volatility rate | 100.37% | 99.55% | |||||||||||||||
| Fair value warrants dividend per share | $ 0.00 | $ 0.00 | |||||||||||||||
| Fair value warrants risk free interest rate | 0.77% | 0.65% | |||||||||||||||
| Fair value of warrants | 135,000 | ||||||||||||||||
| Incremental fair value of warrants | 7,000 | ||||||||||||||||
| Fair value warrants exercise price | $ 2.00 | $ 2.83 | |||||||||||||||
| Incremental expense | 7,000 | ||||||||||||||||
| Financed insurance premium | 433,000 | ||||||||||||||||
| Monthly installment on financed Insurance premium | 48,000 | ||||||||||||||||
| Finance charge on financed insurance premium | 2.50% | ||||||||||||||||
| Number of monthly insurance premium installments payable | Nine | ||||||||||||||||
| Financed insurance premium outstanding | $ 0 | $ 0 | |||||||||||||||