Note 11 - CVD Materials Update	3 Months Ended
Mar. 31, 2023
Notes to Financial Statements
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	NOTE 11: CVD MATERIALS UPDATE Management is evaluating options for the disposal of its Tantaline subsidiary located in Nordborg, Denmark based on the Company’s current strategy to focus on the equipment business consisting of the CVD Equipment and SDC segments and reduce its focus on the non-core CVD Materials business. The revenues and net income of the Tantaline subsidiary were $0.4 million and $0.1 million, respectively, for the three months ended March 31, 2023. The total assets and total liabilities of the Tantaline subsidiary were $1.1 million and $0.2 million as of March 31, 2023, respectively. The disposition of Tantaline subsidiary may result in a financial charge of up to $500,000 during the year ending December 31, 2023.

The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

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