Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 30, 2013

Accounting Policies [Abstract]

Company's revenues

The revenues for each of these lines are as follows:

Six Month Period Ended June 30,	2013		2012
(in thousands, unaudited)
Refrigerant and reclamation sales	$	36,268	$	34,776
RefrigerantSide® services		2,377		2,329
Total	$	38,645	$	37,105

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,
	2013		2012		2013		2012
Net Income	$	334	$	5,135	$	4,803	$	7,644
Weighted average number of shares – basic		24,891,115		23,841,996		24,605,541		23,813,776
Weighted average number of shares underlying warrants		383,123		277,867		432,705		277,867
Weighted average number of shares underlying options		1,584,771		2,058,097		1,631,986		2,058,097
Weighted average number of shares outstanding – diluted		26,859,009		26,177,960		26,670,232		26,149,740