Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Company's revenues

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:

 

Years Ended December 31,	2016		2015		2014
(in thousands)
Product and related sales	$	101,344	$	75,154	$	50,460
RefrigerantSide® Services		4,137		4,568		5,350
Total	$	105,481	$	79,722	$	55,810

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):

	Years  ended December 31,
	2016		2015		2014
Net income (loss)	$	10,637	$	4,763	$	(720)
Weighted average number of shares - basic		34,104,476		32,546,840		29,122,746
Shares underlying warrants		—		300,846		—
Shares underlying options		1,312,434		1,088,413		—
Weighted average number of shares outstanding – diluted		35,416,910		33,936,099		29,122,746