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Note 15 - Purchase of Assets
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Business Combination Disclosure [Text Block]
Note
15
Purchase of assets
 
On
December
16,
2016,
we purchased certain assets formerly owned by Tantaline A/S of Nordborg, Denmark through our wholly owned subsidiary, CVD Materials Corporation. Formed in
2007,
as a spin off from The Danfoss Group, Tantaline A/S established itself as a leader in the commercialization of tantalum treated parts for corrosion resistance. We have now established in Nordborg a new and wholly owned CVD subsidiary operating under the name Tantaline CVD Aps (“Tantaline”).