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Note 13 - Share-based Compensation (Tables)

12 Months Ended

Dec. 28, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Common Shares
		Options Outstanding				Exercisable				Available for Grant				Weighted-Average Exercise Price
2014
Balance at December 29, 2013			798,171				585,769				263,424			$	5.97
Exercised			(28,343	)							—				4.73
Forfeited/cancelled/expired			(25,211	)							24,211				5.19
Granted			11,000								(11,000	)			9.18
Balance at December 28, 2014			755,617				616,792				276,635				6.09
2013
Balance at December 30, 2012			764,034				649,412				437,797			$	5.84
Exercised			(140,236	)							—				5.52
Forfeited/cancelled/expired			(53,377	)							53,377				6.25
Granted			227,750								(227,750	)			6.18
Balance at December 29, 2013			798,171				585,769				263,424				5.97
2012
Balance at January 1, 2012			822,334				577,690				437,297			$	5.84
Forfeited/cancelled/expired			(58,300	)							500				5.76
Balance at December 30, 2012			764,034				649,412				437,797				5.84

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		2014				2013
Expected dividend yield			—				—
Risk-free interest rate		2.39	–	2.88%		1.96	–	2.70%
Expected term (in years)			10				10
Expected volatility		32.87	–	39.35%		39.32	–	43.78%

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

		Restricted Stock Units				Weighted-Average Grant- Date Fair Value
2012
Balance at January 1, 2012			19,169			$	6.50
Vested			(19,169	)			6.50
Forfeited			—				—
Balance at December 30, 2012			—				—

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

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+ References

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

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

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