Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 50,805	$ 56,339
Short-term investments	642	463
Accounts receivable, less allowance of $190 in 2014 and $198 in 2013	27,069	27,683
Inventories, net	29,228	29,696
Deferred tax assets	131	131
Other current assets	4,948	4,212
Total current assets	112,823	118,524
Long-term investments, net	4,995	5,188
Property, plant and equipment, net	38,670	40,092
Other assets	1,786	1,836
Total assets	158,274	165,640
Current liabilities:
Accounts payable	9,221	8,677
Accrued compensation and benefits	8,780	8,104
Accrued expenses	3,586	2,841
Income taxes payable	5	15
Deferred revenue	1,259	1,018
Total current liabilities	22,851	20,655
Long-term deferred revenue	768	974
Long-term income taxes payable	1,346	1,339
Deferred income taxes payable	335	335
Total liabilities	25,300	23,303
Commitments and contingencies (Note 10)
Vicor Corporation stockholders' equity:
Common Stock	392	392
Additional paid-in capital	170,265	169,474
Retained earnings	98,432	108,645
Accumulated other comprehensive loss	(332)	(526)
Treasury stock, at cost	(138,927)	(138,927)
Total Vicor Corporation stockholders' equity	129,948	139,176
Noncontrolling interest	3,026	3,161
Total equity	132,974	142,337
Total liabilities and equity	158,274	165,640
Class B Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	$ 118	$ 118