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Condensed Consolidated Statements of Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Total Vicor Corporation Stockholders' Equity [Member]
Noncontrolling Interest [Member]
Class B Common Stock [Member]
Common Stock [Member]
Beginning Balance at Dec. 31, 2020 $ 351,155 $ 433 $ 328,392 $ 161,008 $ (204) $ (138,927) $ 350,820 $ 335 $ 118
Issuance of Common Stock under employee stock plans 3,050 2 3,048       3,050    
Stock-based compensation expense 1,571   1,571       1,571    
Components of comprehensive income (loss), net of tax:                  
Net income (loss) 15,095     15,092     15,092 3  
Other comprehensive loss (389)       (369)   (369) (20)  
Total comprehensive income (loss) 14,706           14,723 (17)  
Ending Balance at Mar. 31, 2021 370,482 435 333,011 176,100 (573) (138,927) 370,164 318 118
Beginning Balance at Dec. 31, 2021 423,905 439 345,664 217,633 (1,328) (138,927) 423,599 306 118
Issuance of Common Stock under employee stock plans 1,810 1 1,809       1,810    
Stock-based compensation expense 1,994   1,994       1,994    
Components of comprehensive income (loss), net of tax:                  
Net income (loss) 4,990     4,999     4,999 (9)  
Other comprehensive loss (510)       (496)   (496) (14)  
Total comprehensive income (loss) 4,480           4,503 (23)  
Ending Balance at Mar. 31, 2022 $ 432,189 $ 440 $ 349,467 $ 222,632 $ (1,824) $ (138,927) $ 431,906 $ 283 $ 118