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Note 5 - Other Intangible Assets and Goodwill (Details) (USD $)
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3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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| Note 5 - Other Intangible Assets and Goodwill (Details) [Line Items] | ||||
| Number of Definite Lived Permit | 1 | |||
| Amortization of Intangible Assets | $ 149,000 | $ 185,000 | $ 501,000 | $ 528,000 |
| Goodwill, Impairment Loss | 380,000 | 1,149,000 | ||
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SYA [Member]
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| Note 5 - Other Intangible Assets and Goodwill (Details) [Line Items] | ||||
| Goodwill, Impairment Loss | 380,000 | |||
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CH Plateau Remediation Company [Member]
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| Note 5 - Other Intangible Assets and Goodwill (Details) [Line Items] | ||||
| Goodwill, Impairment Loss | $ 1,149,000 | |||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of definite lived permit. No definition available.
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| X | ||||||||||
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- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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