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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Operating activities: |  |  |
Consolidated net income (loss) | $ 31,846 | $ 258 | $ (6,261)
Adjustments to reconcile consolidated net income (loss) to net cash provided by (used for) operating activities: |  |  |
Depreciation and amortization | 9,254 | 8,893 | 8,438
Stock-based compensation expense | 3,396 | 1,735 | 506
Increase (decrease) in long-term income taxes payable | 43 | (1) | 4
Deferred income taxes | (55) | (172) | (78)
Decrease in long-term deferred revenue | (71) | (71) | (94)
Increase in other long-term liabilities | 9 | 93 |
(Gain) loss on disposal of equipment | (57) | (14) | 4
Provision (benefit) for doubtful accounts | 65 | 6 | (22)
Credit gain on available-for-sale securities | (7) | (11) | (13)
Increase in refundable income taxes |  | (736) |
Increase in contingent consideration obligations |  | 650 |
Increase in other assets |  |  | (505)
Change in current assets and liabilities, net | (8,252) | (13,094) | (1,435)
Net cash provided by (used for) operating activities | 36,171 | (2,464) | 544
Investing activities: |  |  |
Additions to property, plant and equipment | (18,211) | (12,545) | (8,428)
Proceeds from sale of equipment | 57 | 14 | 2
(Decrease) increase in other assets | (85) | 5 | (93)
Net cash used for investing activities | (18,239) | (12,526) | (8,519)
Financing activities: |  |  |
Proceeds from issuance of Common Stock | 8,656 | 3,300 | 1,584
Payment of contingent consideration obligations | (270) | (225) | (99)
Deconsolidation of subsidiary |  |  | (372)
Net cash provided by financing activities | 8,386 | 3,075 | 1,113
Effect of foreign exchange rates on cash | 9 | (25) | 52
Net increase (decrease) in cash and cash equivalents | 26,327 | (11,940) | (6,810)
Cash and cash equivalents at beginning of year | 44,230 | 56,170 | 62,980
Cash and cash equivalents at end of year | 70,557 | 44,230 | 56,170
Change in current assets and liabilities, excluding effects of deconsolidation of subsidiary: |  |  |
Accounts receivable | (8,834) | (9,210) | 780
Inventories, net | (10,827) | (9,309) | (3,677)
Other current assets | 176 | (357) | (158)
Accounts payable and accrued liabilities | 7,450 | 3,186 | 339
Accrued severance and other charges | 234 |  | (195)
Income taxes payable | 410 | 208 | 61
Deferred revenue | 3,139 | 2,388 | 1,415
Change in current assets and liabilities, net | (8,252) | (13,094) | (1,435)
Supplemental disclosures: |  |  |
Cash paid during the year for income taxes, net of refunds | $ 743 | $ 373 | $ 230

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Name: | vicr_CashAndCashEquivalentsAtCarryingValueBeginningOfPeriod
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Increase decrease in accrued severance liabilities. + References No definition available. + Details
Name: | vicr_IncreaseDecreaseInAccruedSeveranceLiabilities
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (decrease) in contingent consideration obligations. + References No definition available. + Details
Name: | vicr_IncreaseDecreaseInContingentConsiderationObligations
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in deferred revenue. + References No definition available. + Details
Name: | vicr_IncreaseDecreaseInDeferredRevenue1
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase decrease in operating deferred revenue. + References No definition available. + Details
Name: | vicr_IncreaseDecreaseInOperatingDeferredRevenue
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payment Of Contingent Consideration + References No definition available. + Details
Name: | vicr_PaymentOfContingentConsideration
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Provision benefit for doubtful accounts. + References No definition available. + Details
Name: | vicr_ProvisionBenefitForDoubtfulAccounts
Namespace Prefix: | vicr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration