Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 30, 2012

Company's Revenues

The Company's revenues are derived from refrigerant and reclamation sales and RefrigerantSide® Services, including license and royalty revenues. The revenues for each of these lines are as follows:

Six Month Period Ended June 30,	2012		2011
(in thousands, unaudited)
Refrigerant and reclamation sales	$	34,776	$	26,499
RefrigerantSide® Services		2,329		2,031
Total	$	37,105	$	28,530

Reconciliation of shares used to determine net income per share

The reconciliation of shares used to determine net income per share is as follows (dollars in thousands, unaudited):

	Three Month Period Ended June 30,				Six Month Period Ended June 30,
	2012		2011		2012		2011
Net Income	$	5,135	$	781	$	7,644	$	1,869
Weighted average number of shares – basic		23,841,996		23,780,606		23,813,776		23,780,606
Shares underlying warrants		277,867		16,746		277,867		22,455
Shares underlying options		2,058,097		1,191,767		2,058,097		1,279,214
Weighted average number of shares outstanding – diluted		26,177,960		24,989,119		26,149,740		25,082,275