Note 16 - Segment Information - Identifiable Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Identifiable Assets	$ 62,030	$ 59,715
Corporate, Non-Segment [Member]
Identifiable Assets	1,581	775
Thermal Testing Products [Member]
Identifiable Assets	50,782	51,621
EMS [Member]
Identifiable Assets	$ 9,667	$ 7,319

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details