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Note 4 - Other Intangible Assets (Details) (USD $)
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3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
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Jun. 30, 2014
|
Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Dec. 31, 2013
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| Note 4 - Other Intangible Assets (Details) [Line Items] | |||||
| Number of Definite Lived Permit | 1 | ||||
| Amortization of Intangible Assets | $ 176,000 | $ 179,000 | $ 352,000 | $ 343,000 | |
| Goodwill, Impairment Loss | 380,000 | 1,149,000 | 380,000 | 1,149,000 | |
| Goodwill | 950,000 | 950,000 | 1,330,000 | ||
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SYA [Member]
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|||||
| Note 4 - Other Intangible Assets (Details) [Line Items] | |||||
| Goodwill, Impairment Loss | 380,000 | ||||
| Goodwill | 950,000 | 950,000 | |||
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CH Plateau Remediation Company [Member]
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|||||
| Note 4 - Other Intangible Assets (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 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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- 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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