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Geographic Information
3 Months Ended
Mar. 31, 2017
Segment Reporting [Abstract]  
Geographic Information
Geographic Information
 
In the past, the Company operated with two reportable business division segments based on the products it delivered.  Beginning in the last quarter of 2015, the Company had been transitioning from a niche manufacturer of emissions control solutions for the automotive and heavy duty diesel markets to becoming an advanced materials technology provider for these markets.  During the second quarter of 2016, the transition of the operating strategy was completed and the Company now views its operations and measures its business as one reportable segment.
 
Net sales by geographic region based on the location of the Company’s point of sale is as follows (in thousands):
 
Three Months Ended
March 31,
 
2017
 
2016
United States
$
4,673

 
$
5,878

Canada
2,689

 
2,996

Europe
852

 
872

Total international
3,541

 
3,868

Total revenues
$
8,214

 
$
9,746