Note 8 - Customer and Geographic Information (Details) - Receivables Percentage by Major Customers	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Customer A [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Note 8 - Customer and Geographic Information (Details) - Receivables Percentage by Major Customers [Line Items]
Customer Concentration Risk, Receivables	46.00%	36.00%
Customer B [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Note 8 - Customer and Geographic Information (Details) - Receivables Percentage by Major Customers [Line Items]
Customer Concentration Risk, Receivables	24.00%	17.00%
Customer C [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Note 8 - Customer and Geographic Information (Details) - Receivables Percentage by Major Customers [Line Items]
Customer Concentration Risk, Receivables	8.00%	23.00%
Accounts Receivable [Member]
Note 8 - Customer and Geographic Information (Details) - Receivables Percentage by Major Customers [Line Items]
Customer Concentration Risk, Receivables	10.00%
Customer Concentration Risk [Member]
Note 8 - Customer and Geographic Information (Details) - Receivables Percentage by Major Customers [Line Items]
Customer Concentration Risk, Receivables	10.00%