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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, 2019 $ 205,870 $ 405 $ 201,251 $ 143,098 $ (383) $ (138,927) $ 205,562 $ 308 $ 118
Issuance of Common Stock under employee stock plans 11,585 10 11,575       11,585    
Issuance of Common Stock in public offering, net 109,681 18 109,663       109,681    
Stock-based compensation expense 5,883   5,883       5,883    
Other 20   20       20    
Components of comprehensive income, net of tax                  
Net income (loss) 17,922     17,910     17,910 12  
Other comprehensive income (loss) 194       179   179 15  
Total comprehensive income (loss) 18,116           18,089 27  
Ending 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 10,243 6 10,237       10,243    
Stock-based compensation expense 7,035   7,035       7,035    
Components of comprehensive income, net of tax                  
Net income (loss) 56,629     56,625     56,625 4  
Other comprehensive income (loss) (1,157)       (1,124)   (1,124) (33)  
Total comprehensive income (loss) 55,472           55,501 (29)  
Ending 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 4,439 2 4,437       4,439    
Stock-based compensation expense 10,264   10,264       10,264    
Components of comprehensive income, net of tax                  
Net income (loss) 25,426     25,446     25,446 (20)  
Other comprehensive income (loss) 302       340   340 (38)  
Total comprehensive income (loss) 25,728           25,786 (58)  
Ending Balance at Dec. 31, 2022 $ 464,336 $ 441 $ 360,365 $ 243,079 $ (988) $ (138,927) $ 464,088 $ 248 $ 118