Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 52,827	$ 56,170
Accounts receivable, less allowance of $161 in 2017 and $153 in 2016	29,978	25,216
Inventories, net	27,429	27,136
Other current assets	3,446	3,250
Total current assets	113,680	111,772
Long-term deferred tax assets, net	39	38
Long-term investments, net	2,526	2,508
Property, plant and equipment, net	38,100	37,574
Other assets	2,226	2,175
Total assets	156,571	154,067
Current liabilities:
Accounts payable	9,090	7,588
Accrued compensation and benefits	8,675	8,965
Accrued expenses	2,104	2,179
Income taxes payable	104	92
Deferred revenue	4,527	3,403
Total current liabilities	24,500	22,227
Long-term deferred revenue	356	374
Contingent consideration obligations	208	253
Long-term income taxes payable	198	196
Other long-term liabilities	64
Total liabilities	25,326	23,050
Commitments and contingencies (Note 9)
Vicor Corporation stockholders' equity:
Common Stock	398	397
Additional paid-in capital	177,366	176,344
Retained earnings	92,464	93,438
Accumulated other comprehensive loss	(413)	(561)
Treasury stock, at cost	(138,927)	(138,927)
Total Vicor Corporation stockholders' equity	131,006	130,809
Noncontrolling interest	239	208
Total equity	131,245	131,017
Total liabilities and equity	156,571	154,067
Class B Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	$ 118	$ 118

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).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.