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Commitments and Contingencies (Details Textual) (USD $)
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9 Months Ended | |
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Dec. 31, 2013
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Mar. 31, 2013
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| Loss Contingencies [Line Items] | ||
| Future obligations and commitments | $ 20,018,000 | $ 19,000,000 |
| Total contingent reserves related to intellectual property and indemnification claims | 700,000 | 1,700,000 |
| Maximum ANTONE earn-out that could be paid before offsets | 3,500,000 | |
| Fair value of contingent consideration liability after offset of working capital adjustment and indemnification claim | 2,578,000 | 2,333,000 |
| Increase (decrease) in future obligations and commitments | 1,000,000 | |
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Kentrox [Member]
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| Loss Contingencies [Line Items] | ||
| Increase (decrease) in future obligations and commitments | 800,000 | |
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Arkadin [Member]
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| Loss Contingencies [Line Items] | ||
| Escrow Deposit Released | $ 1,100,000 |
| X | ||||||||||
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- Definition
For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. No definition available.
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| X | ||||||||||
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- Definition
This element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Escrow Deposit Released. No definition available.
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| X | ||||||||||
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- Definition
Increase decrease in future obligations and commitments. No definition available.
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