Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Consolidated net income		$ 2,672	$ 2,556	$ 941	$ 6,862
Foreign currency translation (losses) gains , net of tax	[1]	(15)	151	26	85
Unrealized (losses) gains on available-for-sale securities, net of tax	[1]	(3)	18	43	37
Other comprehensive (loss) income		(18)	169	69	122
Consolidated comprehensive income		2,654	2,725	1,010	6,984
Less: Comprehensive income attributable to noncontrolling interest		3	4	11	19
Comprehensive income attributable to Vicor Corporation		$ 2,651	$ 2,721	$ 999	$ 6,965

[1] The deferred tax assets associated with cumulative foreign currency translation gains and cumulative unrealized gains on available-for-sale securities are completely offset by a tax valuation allowance as of June 30, 2020 and 2019. Therefore, there is no income tax benefit (provision) recognized for the three and six months ended June 30, 2020 and 2019.