Basis of Presentation (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2015 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Mar. 31, 2015 |
Mar. 02, 2014 |
Apr. 02, 2013 |
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| Business Acquisition [Line Items] | |||||||||||
| Accrued expenses | [1] | $ 3,870 | $ 4,602 | ||||||||
| Deferred income taxes | [1] | 1,028 | 1,043 | ||||||||
| Income Tax Expense (Benefit) | (62) | $ (29) | |||||||||
| Retained Earnings (Accumulated Deficit) | [1] | 301,302 | 297,436 | ||||||||
| Kentrox [Member] | |||||||||||
| Business Acquisition [Line Items] | |||||||||||
| Equity Method Investment, Ownership Percentage | 100.00% | ||||||||||
| CSI [Member] | |||||||||||
| Business Acquisition [Line Items] | |||||||||||
| Equity Method Investment, Ownership Percentage | 100.00% | ||||||||||
| Restatement Adjustment [Member] | |||||||||||
| Business Acquisition [Line Items] | |||||||||||
| Accrued expenses | 1,445 | 1,445 | $ 1,400 | ||||||||
| Deferred income taxes | 70 | 70 | 600 | ||||||||
| Goodwill | $ 900 | ||||||||||
| Income Tax Expense (Benefit) | $ 600 | ||||||||||
| Goodwill, Impairment Loss | $ 900 | ||||||||||
| Retained Earnings (Accumulated Deficit) | $ 1,445 | $ 1,445 | [1] | ||||||||
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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