Note 5 - Concentration of Revenue

3 Months Ended

Mar. 31, 2013

Concentration Risk Disclosure [Text Block]

5. Concentration of Revenue–The following table indicates the percentage of consolidated revenue represented by each customer for any period in which such customer represented more than 10% of consolidated revenue.

	Three Months Ended March 31,
(unaudited)	2013			2012
ChemFree Customer A		13	%		13	%
ChemFree Customer B		30	%		29	%
ChemFree Customer C		10	%		10	%