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Quarterly Financial Data (Unaudited) (Narrative)(Details) (USD $)
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3 Months Ended | 12 Months Ended | ||||||
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 30, 2012
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Sep. 23, 2012
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Mar. 25, 2012
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Dec. 29, 2013
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Dec. 30, 2012
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Dec. 25, 2011
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| Quarterly Financial Information Disclosure [Abstract] | ||||||||
| Secondary offering costs | $ 508,000 | $ 417,000 | $ 228,000 | $ 925,000 | $ 228,000 | $ 0 | ||
| Income tax reconciliation, other reconciling items | 556,000 | (261,000) | 54,000 | 7,000 | ||||
| Loss on contract termination | 2,000,000 | 2,000,000 | ||||||
| Decrease in net income | $ 1,100,000 | |||||||
| X | ||||||||||
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- Definition
Decrease in net income from settlement with former director and payment of one-time cash bonus No definition available.
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| X | ||||||||||
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- Definition
Costs and expenses incurred druing the period related to the registration and sell of stock held by existing shareholders. No definition available.
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The loss recognized on termination of a contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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