Note 15 - Concentration of Risk (Tables)

12 Months Ended

Dec. 31, 2014

Risks and Uncertainties [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

Accounts receivable:	2014		2013
Customer A		*		11%
Customer B		17%		21%
Customer C		17%		*
Net Sales:
Customer A		*		14%
Customer B		15%		18%
Customer C		*		*