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Intangible Assets (Details) (USD $)
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3 Months Ended | 6 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Mar. 31, 2014
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Sep. 30, 2014
Manufacturing license
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Mar. 31, 2014
Manufacturing license
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Sep. 30, 2014
Technology
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Mar. 31, 2014
Technology
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Sep. 30, 2014
Parts and service customer relationships
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Mar. 31, 2014
Parts and service customer relationships
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Sep. 30, 2014
TA100 customer relationships
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Mar. 31, 2014
TA100 customer relationships
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Sep. 30, 2014
Backlog
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Mar. 31, 2014
Backlog
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Sep. 30, 2014
Trade name
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Mar. 31, 2014
Trade name
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| Intangible Assets | |||||||||||||||||
| Amortization expense | $ 100,000 | $ 200,000 | $ 300,000 | $ 300,000 | |||||||||||||
| Weighted Average Amortization Period | 17 years | 17 years | 10 years | 10 years | 5 years | 5 years | 2 years | 2 years | 1 year 2 months 12 days | 1 year 2 months 12 days | |||||||
| Intangible Assets, Gross | 8,196,000 | 8,196,000 | 8,196,000 | 3,700,000 | 3,700,000 | 2,240,000 | 2,240,000 | 1,080,000 | 1,080,000 | 617,000 | 617,000 | 490,000 | 490,000 | 69,000 | 69,000 | ||
| Accumulated Amortization | 6,651,000 | 6,651,000 | 6,406,000 | 3,561,000 | 3,536,000 | 1,045,000 | 933,000 | 1,008,000 | 900,000 | 617,000 | 617,000 | 351,000 | 351,000 | 69,000 | 69,000 | ||
| Total expected future amortization | 1,545,000 | 1,545,000 | 1,790,000 | 139,000 | 164,000 | 1,195,000 | 1,307,000 | 72,000 | 180,000 | 139,000 | 139,000 | ||||||
| Expected future amortization expense of intangible assets | |||||||||||||||||
| 2015 (remainder of fiscal year) | 267,000 | 267,000 | |||||||||||||||
| 2016 | 352,000 | 352,000 | |||||||||||||||
| 2017 | 273,000 | 273,000 | |||||||||||||||
| 2018 | 242,000 | 242,000 | |||||||||||||||
| 2019 | 224,000 | 224,000 | |||||||||||||||
| Thereafter | 187,000 | 187,000 | |||||||||||||||
| Total expected future amortization | $ 1,545,000 | $ 1,545,000 | $ 1,790,000 | $ 139,000 | $ 164,000 | $ 1,195,000 | $ 1,307,000 | $ 72,000 | $ 180,000 | $ 139,000 | $ 139,000 | ||||||