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Description of business and summary of significant accounting policies (Tables)

v2.4.0.8
Description of business and summary of significant accounting policies (Tables)
 6 Months Ended
Jun. 30, 2013
Accounting Policies [Abstract]  
Net Revenue by Product Line and Services
The following table summarizes net revenue by product line and services for the three and six month periods ended June 30, 2013 and 2012:
 
Three Months Ended
 
Six Months Ended
 
June 30
2013
 
June 30
2012
 
June 30
2013
 
June 30
2012
Products:
 
 
 
 
 
 
 
Cogeneration
$
457,486

 
$
637,420

 
$
1,735,642

 
$
1,219,670

Chiller
350,368

 
710,299

 
1,124,877

 
1,617,756

Total Product Revenue
807,854

 
1,347,719

 
2,860,519

 
2,837,426

 
 
 
 
 
 
 
 
Services
1,995,606

 
2,037,181

 
3,989,259

 
3,800,002

 
$
2,803,460

 
$
3,384,900

 
$
6,849,778

 
$
6,637,428