XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.21.1

LEASES - NARRATIVE (Details) $ in Thousands |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 12, 2020 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 | Jan. 31, 2020 ft²
Leases |  |  |  |  |  |
Operating Lease, Initial Direct Cost Expense, over Term | $ 300 |  |  |  |  |
Operating lease liabilities |  | $ 2,716 | $ 3,059 |  |  |
Right-of-use assets |  | 1,439 | $ 1,607 |  |  |
Operating Lease, Weighted Average Discount Rate, Percent |  |  |  |  | 3.50% |
Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |  |
Leases |  |  |  |  |  |
Operating Lease, Initial Direct Cost Expense, over Term |  | 100 |  |  |  |
Other Assets [Member] |  |  |  |  |  |
Leases |  |  |  |  |  |
Operating Lease, Initial Direct Cost Expense, over Term |  | $ 100 |  |  |  |
San Francisco California Facility |  |  |  |  |  |
Leases |  |  |  |  |  |
Area | ft² |  |  |  |  |  | 5,000
Operating lease liabilities |  |  |  | $ 600 |  |
Right-of-use assets |  |  |  | $ 600 |  |
Operating Lease, Weighted Average Discount Rate, Percent |  |  |  | 3.50% |  |

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

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_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating lease initial direct cost recognized as expense over lease term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 25 -Paragraph 11 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121604594&loc=SL77919140-209958 + Details
Name: | us-gaap_OperatingLeaseInitialDirectCostExpenseOverTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
Name: | us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | immr_LeaseArrangementAxis=immr_SanFranciscoCaliforniaFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |