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Note 13 - Restructuring Credits (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges		$ 2,500,000
Restructuring Credit	111,178		246,785
Non-Cash Termination And Impairment Of IPR&D [Member]
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges		1,200,000
Noncash disposal of property and equipment [Member]
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges		300,000
Disposal of inventory [Member]
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges		$ 100,000

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- Definition

Amount of credit associated with exit or disposal activities during the period.

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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