Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v3.5.0.2
Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2016
Intangible Assets          
Amortization expense $ 100 $ 100 $ 100 $ 100  
Intangible Assets, Gross 8,196   8,196   $ 8,196
Accumulated Amortization 7,391   7,391   7,255
Intangible Assets, Net 805   805   941
Expected future amortization expense of intangible assets          
2017 (remainder of fiscal year) 152   152    
2018 242   242    
2019 224   224    
2020 187   187    
Intangible Assets, Net 805   $ 805   $ 941
Manufacturing license          
Intangible Assets          
Weighted Average Amortization Period     17 years   17 years
Intangible Assets, Gross 3,700   $ 3,700   $ 3,700
Accumulated Amortization 3,659   3,659   3,635
Intangible Assets, Net 41   41   65
Expected future amortization expense of intangible assets          
Intangible Assets, Net 41   $ 41   $ 65
Technology          
Intangible Assets          
Weighted Average Amortization Period     10 years   10 years
Intangible Assets, Gross 2,240   $ 2,240   $ 2,240
Accumulated Amortization 1,493   1,493   1,381
Intangible Assets, Net 747   747   859
Expected future amortization expense of intangible assets          
Intangible Assets, Net 747   747   859
Backlog          
Intangible Assets          
Intangible Assets, Gross 490   490   490
Accumulated Amortization 473   473   473
Intangible Assets, Net 17   17   17
Expected future amortization expense of intangible assets          
Intangible Assets, Net 17   17   17
Trade Name and Parts, Service and TA100 Customer Relationships          
Intangible Assets          
Intangible Assets, Gross 1,766   1,766   1,766
Accumulated Amortization $ 1,766   $ 1,766   $ 1,766
Minimum | Trade Name and Parts, Service and TA100 Customer Relationships          
Intangible Assets          
Weighted Average Amortization Period     1 year 2 months 12 days   1 year 2 months 12 days
Maximum | Trade Name and Parts, Service and TA100 Customer Relationships          
Intangible Assets          
Weighted Average Amortization Period     5 years   5 years