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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2019
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:
 
Periods Ended March 31,
 
2019
 
 
2018
 
(in thousands)
 
 
 
 
 
 
 
 
Product and related sales
 
$
33,227
 
 
$
41,101
 
RefrigerantSide
®
Services
 
 
1,437
 
 
 
1,327
 
Total
 
$
34,664
 
 
$
42,428
 
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 Month Period

Ended March 31,
 
 
 
2019
 
 
2018
 
 
 
 
 
 
 
 
Net loss
 
$
(4,039
)
 
$
(3,056
)
 
 
 
 
 
 
 
 
 
Weighted average number of shares - basic
 
 
42,602,431
 
 
 
42,403,029
 
Shares underlying options
 
 
-
 
 
 
-
 
Weighted average number of shares outstanding - diluted
 
 
42,602,431
 
 
 
42,403,029