Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 191,050	$ 182,418
Short-term investments	20,003	45,215
Accounts receivable, net	52,659	55,097
Inventories, net	73,861	67,322
Other current assets	7,021	6,708
Total current assets	344,594	356,760
Long-term deferred tax assets, net	206	208
Long-term investment, net	2,536	2,639
Property, plant and equipment, net	140,494	115,975
Other assets	1,519	1,623
Total assets	489,349	477,205
Current liabilities:
Accounts payable	22,572	21,189
Accrued compensation and benefits	12,592	12,660
Accrued expenses	3,172	4,158
Short-term lease liabilities	1,214	1,551
Accrued severance and other charges		93
Sales allowances	1,605	1,464
Income taxes payable	21	66
Short-term deferred revenue and customer prepayments	8,384	7,912
Total current liabilities	49,560	49,093
Long-term deferred revenue	332	413
Long-term income taxes payable	574	569
Long-term lease liabilities	6,694	3,225
Total liabilities	57,160	53,300
Commitments and contingencies (Note 10)
Vicor Corporation stockholders' equity:
Additional paid-in capital	349,467	345,664
Retained earnings	222,632	217,633
Accumulated other comprehensive loss	(1,824)	(1,328)
Treasury stock at cost: 11,634,806 shares in 2022 and 2021	(138,927)	(138,927)
Total Vicor Corporation stockholders' equity	431,906	423,599
Noncontrolling interest	283	306
Total equity	432,189	423,905
Total liabilities and equity	489,349	477,205
Class B Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	118	118
Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	$ 440	$ 439