XML 40 R26.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Estimated useful lives of property and equipment | The estimated useful lives are typically as follows:
Computer equipment and purchased software | 3 years
Machinery and equipment | 3-5 years
Furniture and fixtures | 5 years
| December 31,
| 2017 |  | 2016
| (In thousands)
Computer equipment and purchased software | $ | 3,206 |  |  | $ | 3,489 |
Machinery and equipment | 834 |  |  | 882 |
Furniture and fixtures | 1,274 |  |  | 1,290 |
Leasehold improvements | 3,920 |  |  | 3,917 |
Total | 9,234 |  |  | 9,578 |
Less accumulated depreciation | (6,084 | ) |  | (5,562 | )
Property and equipment, net | $ | 3,150 |  |  | $ | 4,016 |
Advertising expense | Advertising expense was as follows:
| Year ended December 31,
| 2017 |  | 2016 |  | 2015
| (In thousands)
Advertising expense | $ | 221 |  |  | $ | 102 |  |  | $ | 265 |

X
- Definition Tabular disclosure of amounts charged to advertising expenses for the periods. + References No definition available. + Details
Name: | immr_ScheduleOfAdvertisingExpensesTableTextBlock
Namespace Prefix: | immr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: 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(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration