Note 10 - Significant Business Concentrations And Risk (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 10 - Significant Business Concentrations And Risk (Details) [Line Items]
Number of Major Customers	5
Concentration Risk, Supplier	one
Customer Concentration Risk [Member] | Consolidated Revenues [Member]
Note 10 - Significant Business Concentrations And Risk (Details) [Line Items]
Concentration Risk, Percentage	1.00%	1.00%	1.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Note 10 - Significant Business Concentrations And Risk (Details) [Line Items]
Concentration Risk, Percentage	16.00%	30.00%	34.00%
Five Largest Customers [Member] | Consolidated Revenues [Member]
Note 10 - Significant Business Concentrations And Risk (Details) [Line Items]
Concentration Risk, Percentage	2.50%
Five Largest Customers [Member] | Sales Revenue, Goods, Net [Member]
Note 10 - Significant Business Concentrations And Risk (Details) [Line Items]
Concentration Risk, Percentage		2.90%	5.50%