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Note 4 - Restructuring Charges (Details Textual) (USD $)
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1 Months Ended | 3 Months Ended |
|---|---|---|
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Mar. 31, 2015
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Mar. 31, 2015
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| Restructuring and Related Cost, Number of Positions Eliminated | 7us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated | |
| Restructuring Charges | $ 753,400us-gaap_RestructuringCharges | $ 753,400us-gaap_RestructuringCharges |
| Executive Officer [Member] | ||
| Restructuring and Related Cost, Number of Positions Eliminated |
3us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated / us-gaap_TitleOfIndividualAxis = us-gaap_ExecutiveOfficerMember |
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| Employee Severance [Member] | ||
| Restructuring Charges |
$ 718,000us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember |
| X | ||||||||||
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- Definition
The number of positions eliminated during the period as a result of restructuring activities. No definition available.
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| X | ||||||||||
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- Definition
Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. 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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- Details
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