Note 2 - Summary of Significant Accounting Policies (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Warranty Period			1 year
Five Customers [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Number of Customers	5
Concentration Risk, Percentage	97.00%
Four Customers [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Number of Customers			4
Concentration Risk, Percentage			90.00%
Three Customers [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Concentration Risk, Number of Customers		3		3
Concentration Risk, Percentage		100.00%		100.00%