Annual report pursuant to Section 13 and 15(d)

Revenue Recognition - Revenues (Details)

v3.21.1
Revenue Recognition - Revenues (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue:    
Total revenue $ 67,636 $ 68,926
Product and accessories    
Revenue:    
Total revenue 36,517 35,338
Total from Micro turbine Products    
Revenue:    
Total revenue 34,121 33,790
Accessories and parts    
Revenue:    
Total revenue 2,396 1,548
Parts and service    
Revenue:    
Total revenue 31,119 33,588
Total North America    
Revenue:    
Total revenue 36,754 34,588
United States    
Revenue:    
Total revenue 32,502 31,082
Mexico    
Revenue:    
Total revenue 3,931 2,361
All other North America    
Revenue:    
Total revenue 321 1,145
Russia    
Revenue:    
Total revenue 3,577 3,653
All other Europe    
Revenue:    
Total revenue 13,659 12,858
Total Europe    
Revenue:    
Total revenue 17,236 16,511
Asia    
Revenue:    
Total revenue 6,087 4,074
Australia    
Revenue:    
Total revenue 3,165 4,559
All other    
Revenue:    
Total revenue $ 4,394 $ 9,194