Note 11 - Share Based Compensation (Details) - Stock Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Note 11 - Share Based Compensation (Details) - Stock Option Activity [Line Items]
Options outstanding as of December 28, 2013 (in Shares)	276,900
Options outstanding as of December 28, 2013	$ 5.47
Options granted (in Shares)	15,000	5,000
Options granted	$ 6.10
Options exercised (in Shares)	(54,500)
Options exercised	$ 4.55
Options forfeited/cancelled (in Shares)	(11,000)
Options forfeited/cancelled	$ 8.81
Options outstanding as of June 28, 2014 (in Shares)	226,400
Options outstanding as of June 28, 2014	$ 5.57
Options exercisable as of June 28, 2014 (in Shares)	156,400
Options exercisable as of June 28, 2014	$ 5.52
Intrinsic value of outstanding stock options as of June 28, 2014 (in Dollars)	$ 292
Intrinsic value of stock options exercised for the twenty-six week period ended June 28, 2014 (in Dollars)	$ 105
Minimum [Member]
Note 11 - Share Based Compensation (Details) - Stock Option Activity [Line Items]
Options outstanding price range at June 28, 2014	$ 2.50
Maximum [Member]
Note 11 - Share Based Compensation (Details) - Stock Option Activity [Line Items]
Options outstanding price range at June 28, 2014	$ 9.81