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Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Summary of Unaudited Quarterly Financial Data

The following table sets forth certain unaudited quarterly financial data for the years ended December 31 (in thousands, except per share amounts):

		First				Second				Third				Fourth				Total
2018:
Net revenues		$	65,269			$	74,196			$	78,035			$	73,720			$	291,220
Gross margin			30,211				35,883				39,004				33,873				138,971
Consolidated net income			3,982				7,909				13,048				6,907				31,846
Net income (loss) attributable to noncontrolling interest			39				49				36				(3	)			121
Net income attributable to Vicor Corporation			3,943				7,860				13,012				6,910				31,725
Net income per share attributable to Vicor Corporation:
Basic			0.10				0.20				0.32				0.17				0.80
Diluted			0.10				0.19				0.32				0.17				0.78

		First				Second				Third				Fourth				Total
2017:
Net revenues		$	54,462			$	57,709			$	56,888			$	58,771			$	227,830
Gross margin			23,652				25,930				25,143				26,931				101,656
Consolidated net income (loss)			(954	)			(445	)			38				1,619				258
Net income attributable to noncontrolling interest			20				14				49				8				91
Net income (loss) attributable to Vicor Corporation			(974	)			(459	)			(11	)			1,611				167
Net income (loss) per share attributable to Vicor Corporation:
Basic and diluted			(0.02	)			(0.01	)			(0.00	)			0.04				0.00