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Product Warranties (Details Textual) (USD $)
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3 Months Ended | ||||
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Jun. 30, 2012
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Mar. 31, 2012
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Jun. 30, 2012
Westell [Member]
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Jun. 30, 2012
CNS Products [Member]
Maximum [Member]
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Jun. 30, 2012
CNS Products [Member]
Minimum [Member]
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| Product Warranties (Textual) [Abstract] | |||||
| Current portions of warranty reserve | $ 131,000 | $ 110,000 | |||
| Long-term portions of the warranty reserve | $ 90,000 | $ 133,000 | |||
| Basic limited warranty maximum range | 7 years | 3 years | 1 year | ||
| X | ||||||||||
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- Definition
Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability. No definition available.
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| X | ||||||||||
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- Definition
Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability. No definition available.
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| X | ||||||||||
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- Definition
Basic limited warranty maximum range. No definition available.
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| X | ||||||||||
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- Details
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