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Restructuring Charge (Details Textual) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Mar. 31, 2013
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Dec. 31, 2013
Kentrox [Member]
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Dec. 31, 2013
Kentrox [Member]
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Dec. 31, 2012
Noran Tel Restructuring [Member]
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Mar. 31, 2013
Noran Tel Restructuring [Member]
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| Restructuring Charge (Textual) [Abstract] | |||||||||
| Restructuring | $ 38 | $ 0 | $ 273 | $ 149 | $ 38 | $ 273 | $ 149 | ||
| Restructuring and Related Cost, Expected Cost | 276 | 424 | |||||||
| Unpaid balance of restructuring charges | $ 77 | $ 77 | $ 6 | $ 77 | $ 77 | ||||
| X | ||||||||||
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- Definition
Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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