XML 97 R83.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Segment Reporting, Geographic Information, and Significant Customers - Summary of Customers Comprising More Than 10% in Net Revenue (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Net Revenues | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 49.00% | 62.00% | 64.00%
Net Revenues | Customer Concentration Risk | Samsung Electronics |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 0.00% | 33.00% | 32.00%
Net Revenues | Customer Concentration Risk | Customer B |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 20.00% | 13.00% | 18.00%
Net Revenues | Customer Concentration Risk | Customer C |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 18.00% | 14.00% | 14.00%
Net Revenues | Customer Concentration Risk | Customer D |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 11.00% | 2.00% | 0.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer C |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk |  | 18.00% |
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer E |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 55.00% |  |
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer F |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk | 26.00% | 46.00% | 31.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer G |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk |  | 16.00% |
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer H |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk |  |  | 44.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer I |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk |  |  | 11.00%

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_SamsungElectronicsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerFMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerHMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorCustomersAxis=immr_CustomerIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |