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Sale Leaseback Transactions (Details Textual) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jun. 07, 2016	Jul. 01, 2016	Jul. 01, 2016	Jul. 03, 2015
Sale Leaseback Transactions [Line Items]
Sale Leaseback Transaction, Net Proceeds, Financing Activities			$ 1,154	$ 0
Sale Leaseback Agreement [Member]
Sale Leaseback Transactions [Line Items]
Sale Leaseback Transaction, Net Proceeds, Financing Activities	$ 1,200
Line of Credit Facility, Maximum Borrowing Capacity		$ 2,000	2,000
Sale Leaseback Transaction Net Proceeds Expiration Term		24 months
Line of Credit Facility, Remaining Borrowing Capacity		$ 700	$ 700
Sale Leaseback Transaction, Net Book Value	$ 1,300
Sale Leaseback Agreement [Member] | Hardware Equipment [Member]
Sale Leaseback Transactions [Line Items]
Sale Leaseback Transaction, Imputed Interest Rate		3.94%
Sale Leaseback Agreement [Member] | Non Hardware Equipment [Member]
Sale Leaseback Transactions [Line Items]
Sale Leaseback Transaction, Imputed Interest Rate		4.75%

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- Definition

Sale Leaseback Transaction Net Proceeds Expiration Term.

+ References

No definition available.

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- References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The financing cost related to leases that have been recorded under the deposit method, as a financing or as a capital leases in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Imputed Interest Rate
-URI http://asc.fasb.org/extlink&oid=6515215

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- Definition

The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51843-112757

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51831-112757

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 51
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51840-112757

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- Definition

Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 51
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51840-112757

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51831-112757

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51843-112757

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