Note 11 - Employee Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012 Temptronic Facility [Member]
Note 11 - Employee Benefit Plans (Details) [Line Items]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	10.00%	6.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount (in Dollars)	$ 5	$ 3
Defined Contribution Plan Employer Matching Contribution Vesting Period	4 years
Maximum Contribution Per Dollar		0.50