Note 7 - Concentration of Revenue

3 Months Ended

Mar. 31, 2012

Concentration Risk Disclosure [Text Block]

7. 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)	2012			2011
ChemFree Customer A		13	%		11	%
ChemFree Customer B		29	%		33	%
ChemFree Customer C		10	%		11	%
ChemFree Customer D		--			11	%