Note 8 - Income Taxes (Details) - Effective consolidated tax rate (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Effective consolidated tax rate [Abstract]
Loss from continuing operations before Incomes Taxes (a)	$ (1,903)	$ (3,065)	$ (1,641)	$ (4,405)
Total Income Tax Provision (b)	$ 53	$ 171	$ 151	$ 262
Effective Tax Rate (b/a)	2.80%	5.60%	9.20%	5.90%