Acquisitions Acquisitions (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
Mar. 31, 2014 |
Mar. 02, 2014 |
Apr. 02, 2013 |
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| Business Acquisition [Line Items] | |||||
| Revenue | $ 88,203 | $ 84,127 | $ 102,073 | ||
| Operating Income (Loss) | $ (16,756) | (59,240) | (3,433) | ||
| CSI [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Business Acquisition, Percentage of Voting Interests Acquired | 100.00% | ||||
| Payments to Acquire Businesses, Gross | 39,000 | ||||
| Working Capital Adjustment | $ 5,000 | ||||
| Business Combination, Acquisition Related Costs | $ 39 | 200 | |||
| Revenue | 3,700 | ||||
| Operating Income (Loss) | (400) | ||||
| Kentrox [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Business Acquisition, Percentage of Voting Interests Acquired | 100.00% | ||||
| Payments to Acquire Businesses, Gross | $ 30,000 | ||||
| Working Capital Adjustment | $ 1,300 | ||||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Working Capital Adjustment No definition available.
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