Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 51,425	$ 56,170
Accounts receivable, less allowance of $161 in 2017 and $153 in 2016	34,092	25,216
Inventories, net	30,514	27,136
Other current assets	3,867	3,250
Total current assets	119,898	111,772
Long-term deferred tax assets, net	21	38
Long-term investments, net	2,565	2,508
Property, plant and equipment, net	38,927	37,574
Other assets	2,204	2,175
Total assets	163,615	154,067
Current liabilities:
Accounts payable	10,542	7,588
Accrued compensation and benefits	9,925	8,965
Accrued expenses	2,475	2,179
Income taxes payable	86	92
Deferred revenue	7,738	3,403
Total current liabilities	30,766	22,227
Long-term deferred revenue	339	374
Contingent consideration obligations	142	253
Long-term income taxes payable	189	196
Other long-term liabilities	87
Total liabilities	31,523	23,050
Commitments and contingencies (Note 9)
Vicor Corporation stockholders' equity:
Common Stock	399	397
Additional paid-in capital	178,661	176,344
Retained earnings	92,005	93,438
Accumulated other comprehensive loss	(414)	(561)
Treasury stock, at cost	(138,927)	(138,927)
Total Vicor Corporation stockholders' equity	131,842	130,809
Noncontrolling interest	250	208
Total equity	132,092	131,017
Total liabilities and equity	163,615	154,067
Class B Common Stock [Member]
Vicor Corporation stockholders' equity:
Common Stock	$ 118	$ 118