Note 13 - Stock Plan (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended												12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Jul. 17, 2013 Subsequent Event [Member] Vesting Upon First Anniversary of Date of Grant [Member]	Jul. 17, 2013 Subsequent Event [Member] Exercise Price of $4.50 Per Option [Member]	Jul. 17, 2013 Subsequent Event [Member] Exercise Price of $6.75 Per Option [Member]	Jul. 17, 2013 Subsequent Event [Member] Exercise Price of $9.00 Per Option [Member]	Jul. 17, 2013 Subsequent Event [Member] Exercise Price of $11.25 Per Option [Member]	Jul. 17, 2013 Subsequent Event [Member] Exercise Price of $13.50 Per Option [Member]	Jul. 17, 2013 Subsequent Event [Member] Exercise Price of $15.75 Per Option [Member]	Jul. 17, 2013 Subsequent Event [Member] The 2009 Plan [Member]	Jul. 17, 2013 Subsequent Event [Member] Vesting Upon Earlier of Second Anniversary of Date of Grant Or Achievement of At Least $5 Million of Trailing 12 Months Adjusted EBITDA [Member]	Jul. 17, 2013 Subsequent Event [Member] Vesting Upon Earlier of Third Anniversary of Date of Grant Or Achievement of At Least $7.5 Million of Trailing 12 Months Adjusted EBITDA [Member]	Jul. 17, 2013 Subsequent Event [Member] Vesting Upon Earlier of Fourth Anniversary of Date of Grant Or Achievement of At Least $10 Million of Trailing 12 Months Adjusted EBITDA [Member]	Jul. 17, 2013 Subsequent Event [Member] Vesting Upon Earlier of Fifth Anniversary of Date of Grant Or Achievement of At Least $12.5 Million of Trailing 12 Months Adjusted EBITDA [Member]	Dec. 31, 2011 Restricted Stock Units (RSUs) [Member] Chief Executive Officer [Member]	Dec. 31, 2011 Restricted Stock [Member] Chief Executive Officer [Member]	Dec. 31, 2011 Chief Executive Officer [Member]
Note 13 - Stock Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized												1,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized												1,880,000
Allocated Share-based Compensation Expense (in Dollars)	$ 0	$ 0.1	$ (0.2)	$ 0.1
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross						250,000	250,000	150,000	125,000	125,000	100,000								100,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																	2 years	2 years	2 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period																	100,000	150,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)						$ 4.50	$ 6.75	$ 9.00	$ 11.25	$ 13.50	$ 15.75
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					20.00%								20.00%	20.00%	20.00%	20.00%
Threshold of Trailing 12 Months Adjusted EBITDA (in Dollars)													$ 5.0	$ 7.5	$ 10.0	$ 12.5