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Note 2 - Goodwill, Customer Relationships and Other Intangible Assets (Details) (USD $)
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Jun. 30, 2013
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Mar. 31, 2013
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Goodwill, Gross | $ 24,000,000 | $ 24,000,000 |
| Goodwill, Impaired, Accumulated Impairment Loss | 22,900,000 | 22,900,000 |
| Goodwill | $ 1,126,000 | $ 1,126,000 |
| X | ||||||||||
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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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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount before 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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| X | ||||||||||
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- Definition
Amount of accumulated impairment loss for 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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