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Accounts and Other Receivables - Schedule of Accounts and Other Receivables (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Receivables [Abstract] |  |
Trade accounts receivable | $ 2,708 us-gaap_AccountsReceivableNetCurrent | $ 320 us-gaap_AccountsReceivableNetCurrent
Receivables from vendors and other | 313 immr_ReceivablesFromVendorsAndOtherCurrent | 278 immr_ReceivablesFromVendorsAndOtherCurrent
Accounts and other receivables | $ 3,021 us-gaap_AccountsAndOtherReceivablesNetCurrent | $ 598 us-gaap_AccountsAndOtherReceivablesNetCurrent

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- Definition The sum of amounts currently receivable form vendors and other non-customers. For classified balance sheets, represents the current amount receivable that is expected to be collected within one year or the normal operating cycle, if longer. + References No definition available. + Details
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Namespace Prefix: | immr_
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Period Type: | instant

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- Definition Amount due from customers, clients, or other third-parties, or arising from transactions not separately disclosed, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3-4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a(1) -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 + Details
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- Details
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Period Type: | duration