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Note 3 - Intangible Assets (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Note 3 - Intangible Assets (Details) [Line Items]
Amortization of Intangible Assets	$ 125,000	$ 176,000	$ 252,000	$ 352,000
Goodwill, Impairment Loss		$ 380,000		$ 380,000
PCB Permit [Member]
Note 3 - Intangible Assets (Details) [Line Items]
Number Of Definite-Lived Permits			1

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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.

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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.

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