Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 3)

v2.4.0.8
Summary of Significant Accounting Policies (Details 3) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Revenue by product      
Total $ 133,105 $ 127,557 $ 109,371
C30
     
Revenue by product      
Total 5,623 6,756 4,426
C65
     
Revenue by product      
Total 29,107 22,899 28,680
TA100
     
Revenue by product      
Total 460 1,485 681
C200
     
Revenue by product      
Total 14,754 18,099 7,361
C600
     
Revenue by product      
Total 10,374 12,384 7,567
C800
     
Revenue by product      
Total 10,127 5,324 8,728
C1000
     
Revenue by product      
Total 38,141 35,571 32,475
Waste heat recovery generator
     
Revenue by product      
Total 180    
Unit upgrades
     
Revenue by product      
Total   129  
Total from Micro turbine Products
     
Revenue by product      
Total 108,766 102,647 89,918
Accessories, Parts and Service
     
Revenue by product      
Total $ 24,339 $ 24,910 $ 19,453