Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 55,187	$ 56,339
Short-term investments	270us-gaap_ShortTermInvestments	463us-gaap_ShortTermInvestments
Accounts receivable, less allowance of $183 in 2014 and $198 in 2013	28,431us-gaap_AccountsReceivableNetCurrent	27,683us-gaap_AccountsReceivableNetCurrent
Inventories, net	26,328us-gaap_InventoryNet	29,696us-gaap_InventoryNet
Deferred tax assets	107us-gaap_DeferredTaxAssetsNetCurrent	131us-gaap_DeferredTaxAssetsNetCurrent
Other current assets	3,155us-gaap_OtherAssetsCurrent	4,212us-gaap_OtherAssetsCurrent
Total current assets	113,478us-gaap_AssetsCurrent	118,524us-gaap_AssetsCurrent
Long-term investments, net	3,002us-gaap_LongTermInvestments	5,188us-gaap_LongTermInvestments
Property, plant and equipment, net	37,387us-gaap_PropertyPlantAndEquipmentNet	40,092us-gaap_PropertyPlantAndEquipmentNet
Other assets	1,675us-gaap_OtherAssetsNoncurrent	1,836us-gaap_OtherAssetsNoncurrent
Total assets	155,542us-gaap_Assets	165,640us-gaap_Assets
Current liabilities:
Accounts payable	7,932us-gaap_AccountsPayableCurrent	8,677us-gaap_AccountsPayableCurrent
Accrued compensation and benefits	8,663	8,055
Accrued expenses	3,178us-gaap_AccruedLiabilitiesCurrent	2,841us-gaap_AccruedLiabilitiesCurrent
Accrued severance charges	1,904us-gaap_RestructuringReserveCurrent	49us-gaap_RestructuringReserveCurrent
Income taxes payable	41us-gaap_AccruedIncomeTaxesCurrent	15us-gaap_AccruedIncomeTaxesCurrent
Deferred revenue	1,439us-gaap_DeferredRevenueCurrent	1,018us-gaap_DeferredRevenueCurrent
Total current liabilities	23,157us-gaap_LiabilitiesCurrent	20,655us-gaap_LiabilitiesCurrent
Long-term deferred revenue	637us-gaap_DeferredRevenueNoncurrent	974us-gaap_DeferredRevenueNoncurrent
Long-term income taxes payable	867us-gaap_AccruedIncomeTaxesNoncurrent	1,339us-gaap_AccruedIncomeTaxesNoncurrent
Deferred income taxes	329	335
Total liabilities	24,990us-gaap_Liabilities	23,303us-gaap_Liabilities
Commitments and contingencies (Note 15)
Vicor Corporation stockholders' equity:
Preferred Stock, $.01 par value, 1,000,000 shares authorized; no shares issued
Additional paid-in capital	171,901	169,474
Retained earnings	94,758	108,645
Accumulated other comprehensive loss	(471)	(526)
Treasury stock at cost: 11,671,486 shares in 2014 and 2013	(138,927)us-gaap_TreasuryStockValue	(138,927)us-gaap_TreasuryStockValue
Total Vicor Corporation stockholders' equity	127,772us-gaap_StockholdersEquity	139,176us-gaap_StockholdersEquity
Noncontrolling interest	2,780us-gaap_MinorityInterest	3,161us-gaap_MinorityInterest
Total equity	130,552	142,337
Total liabilities and equity	155,542	165,640
Class B Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	118	118
Total equity	118	118
Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	$ 393	$ 392

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682