Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Revenue by Product (Details)

v3.4.0.3
Summary of Significant Accounting Policies - Revenue by Product (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Revenue by product      
Product, accessories and parts $ 73,116 $ 104,710 $ 123,553
Service 12,095 10,751 9,552
Total 85,211 115,461 133,105
C30      
Revenue by product      
Product, accessories and parts 1,815 4,804 5,623
C65      
Revenue by product      
Product, accessories and parts 12,291 30,118 29,107
TA100      
Revenue by product      
Product, accessories and parts   318 460
C200      
Revenue by product      
Product, accessories and parts 3,884 7,120 14,754
C600      
Revenue by product      
Product, accessories and parts 6,194 5,848 10,374
C800      
Revenue by product      
Product, accessories and parts 8,058 8,319 10,127
C1000      
Revenue by product      
Product, accessories and parts 25,877 32,685 38,141
Waste heat recovery generator      
Revenue by product      
Product, accessories and parts   155 180
Unit upgrades      
Revenue by product      
Product, accessories and parts 281    
Total from Micro turbine Products      
Revenue by product      
Product, accessories and parts 58,400 89,367 108,766
Accessories, Parts and Service      
Revenue by product      
Product, accessories and parts 14,716 15,343 14,787
Service $ 12,095 $ 10,751 $ 9,552