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Note 8 - Restructuring (Details Textual) (USD $)	3 Months Ended
Note 8 - Restructuring (Details Textual) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Restructuring Charges	$ (6,000)us-gaap_RestructuringCharges
Boulder Diagnostics Inc [Member]
Restructuring and Related Cost, Number of Positions Eliminated		4
Research and Development Expense [Member]
Restructuring Charges		182,000

- 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.

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