Credit Agreement - Additional Information (Detail) (USD $)
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1 Months Ended | ||
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Mar. 31, 2011
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Jun. 30, 2013
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Mar. 02, 2011
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Line Of Credit Facility [Line Items] | |||
Company can borrow principally secured loans by its accounts receivable, inventories and equipment | $ 25,000,000 | ||
Line of credit facility expiration date | Mar. 02, 2015 | ||
Credit agreement date | Mar. 02, 2011 | ||
Additional borrowings available | 25,000,000 | ||
Line of Credit | Minimum
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Line Of Credit Facility [Line Items] | |||
Credit Agreement is a LIBOR based rate with a margin spread | 2.50% | ||
Line of Credit | Maximum
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Line Of Credit Facility [Line Items] | |||
Credit Agreement is a LIBOR based rate with a margin spread | 3.50% | ||
Standby Letters of Credit
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Line Of Credit Facility [Line Items] | |||
Credit Agreement, standby letters of credit outstanding in the amount | $ 15,000 |