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Borrowings (Details) (USD $)
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9 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 1 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 29, 2012
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Apr. 26, 2012
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Sep. 29, 2012
Principal [Member]
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Apr. 26, 2012
Silicon Valley Bank [Member]
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Aug. 31, 2010
Silicon Valley Bank [Member]
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Mar. 31, 2012
Silicon Valley Bank [Member]
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Aug. 13, 2010
Silicon Valley Bank [Member]
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Aug. 13, 2010
Silicon Valley Bank [Member]
Term Loan [Member]
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Aug. 13, 2010
Silicon Valley Bank [Member]
Revolving Line of Credit Facility [Member]
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Aug. 13, 2010
Silicon Valley Bank [Member]
Maximum [Member]
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Aug. 13, 2010
Silicon Valley Bank [Member]
Minimum [Member]
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Apr. 26, 2012
JPMorgan Chase Bank [Member]
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Apr. 30, 2012
JPMorgan Chase Bank [Member]
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Sep. 29, 2012
JPMorgan Chase Bank [Member]
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Sep. 29, 2012
JPMorgan Chase Bank [Member]
Revolving Line of Credit Facility [Member]
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Apr. 26, 2012
JPMorgan Chase Bank [Member]
Revolving Line of Credit Facility [Member]
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Apr. 26, 2012
JPMorgan Chase Bank [Member]
Maximum [Member]
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Apr. 26, 2012
JPMorgan Chase Bank [Member]
Minimum [Member]
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| Line of Credit Facility [Line Items] | ||||||||||||||||||
| Credit Facility Limit | $ 35,000,000 | $ 25,000,000 | $ 10,000,000 | $ 40,000,000 | $ 60,000,000 | |||||||||||||
| Term loan balance | 17,900,000 | |||||||||||||||||
| Interest rate under credit facility | LIBOR (with a floor of 1.25%) plus a margin from 2.00% to 3.00% per annum | |||||||||||||||||
| LIBOR based interest rate | 1.75% | |||||||||||||||||
| LIBOR based interest rate, principal | 17,000,000 | |||||||||||||||||
| Prime based rate | 2.75% | |||||||||||||||||
| Prime Based Rate Principal | 100,000 | |||||||||||||||||
| Floor interest rate under credit facility | 1.25% | |||||||||||||||||
| Applicable margin for LIBOR-based interest rate/ Applicable margin for Alternate base rate | 3.00% | 2.00% | 0.50% | 1.50% | ||||||||||||||
| Unused credit commitment fee | 0.375% | 0.20% | ||||||||||||||||
| Consolidated fixed charge coverage ratio | 1.50 | 1.00 | 1.00 | |||||||||||||||
| Minimum foxed charge coverage ratio trigger | less than $6,000,000 | |||||||||||||||||
| Loss on debt extinguishment | 360,000 | |||||||||||||||||
| Prepayment fee amount | 166,000 | |||||||||||||||||
| Accelerated deferred financing costs | 185,000 | |||||||||||||||||
| Outstanding revolving loan balance | 17,100,000 | |||||||||||||||||
| Increase or decrease to the applicable margin | 0.25% | 0.25% | ||||||||||||||||
| Loan parties' obligations under the credit agreement, descriptions | The Loan Parties’ obligations under the Credit Agreement are secured, subject to customary permitted liens and certain exclusions, by a perfected security interest in (a) all tangible and intangible assets and (b) all of the capital stock owned by the Loan Parties (limited, in the case of foreign subsidiaries, to 65% of the capital stock of such foreign subsidiaries). | |||||||||||||||||
| Limited security by foreign subsidiaries' capital stock percentage | 65.00% | |||||||||||||||||
| Number of allowed credit increases | three | |||||||||||||||||
| Minimum amount of increase in revolving commitments | 5,000,000 | |||||||||||||||||
| Cash dominion period trigger amount of excess availability | less than $6,000,000 | |||||||||||||||||
| Excess availability under credit facility | 11,800,000 | |||||||||||||||||
| Cash dominion period exit amount of excess availability | greater than $7,000,000 | |||||||||||||||||
| Line Of Credit Facility (Additional Textual) [Abstract] | ||||||||||||||||||
| Capital leases payable | $ 173,000 | |||||||||||||||||