Stock-Based Compensation (Details Textual) (USD $)	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012 Vicor Corporation Amended and Restated 2000 Stock Option and Incentive Plan, with performance-based vesting provisions [Member]	Jun. 30, 2012 VI Chip 2007 Stock Option and Incentive Plan with performance-based vesting provisions [Member]
Stock Based Compensation (Textual) [Abstract]
Unrecognized compensation expense of these performance-based options			$ 7,790,000	$ 1,010,000
Stock Based Compensation (Additional Textual) [Abstract]
Non-qualified stock options	2,984,250	1,243,750