Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

The Company’s revenues are derived from Product and related sales and RefrigerantSide® Services revenues. The revenues for each of these lines are as follows:

	Three Months ended June 30,				Six Months ended June 30,
	2018		2017		2018		2017
(in thousands)
Product and related sales	$	56,448	$	51,045	$	97,549	$	88,715
RefrigerantSide ® Services		1,383		1,186		2,710		2,346
Total	$	57,831	$	52,231	$	100,259	$	91,061

Reconciliation of shares used to determine net income per share

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

	Three Months ‎ ended June 30,					Six Months ‎ ended June 30,
	2018			2017		2018			2017

Net (loss) income	$	(30,616	)	$	8,525	$	(33,672	)	$	14,259

Weighted average number of shares - basic		42,403,140			41,567,848		42,403,084			41,537,894
Shares underlying options		-			1,982,378		-			1,953,020
Weighted average number of shares outstanding – diluted		42,403,140			43,550,226		42,403,084			43,490,914