Summary of significant accounting policies (Tables)

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

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:

Nine Month Period Ended September 30, (in thousands, unaudited)	2012		2011
Refrigerant and reclamation sales	$	48,639	$	37,455
RefrigerantSide® Services		2,939		3,010
Total	$	51,578	$	40,465

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 September 30,					Nine Month Period Ended September 30,
	2012		2011			2012		2011
Net income (loss)	$	2,194	($	113	)	$	9,837	$	1,756
Weighted average number of shares – basic		23,928,081		23,780,606			23,834,685		23,780,606
Shares underlying warrants		398,492		—			297,826		14,856
Shares underlying options		2,240,101		—			2,108,762		1,126,373
Weighted average number of shares outstanding – diluted		26,566,674		23,780,606			26,241,273		24,921,835