Condensed Consolidated Balance Sheets (current period unaudited) (Parentheticals)	Sep. 28, 2013	Dec. 29, 2012
Common shares issued	22,419,676	22,029,446
Common shares outstanding	22,419,676	22,029,446

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 505

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant