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Business Description and Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2021
Business Description and Summary of Significant Accounting Policies
Business Description and Summary of Significant Accounting Policies	2. Business Description and Summary of Significant Accounting Policies Business Description Servotronics, Inc. and its subsidiaries design, manufacture and market advanced technology products consisting primarily of control components, and consumer products consisting of knives and various types of cutlery and other edged products.