XML 88 R71.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Summary of Deferred Revenue (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred Revenue Arrangement [Line Items] |  |
Deferred revenue | $ 573 | $ 817
Unused Virtual Point |  |
Deferred Revenue Arrangement [Line Items] |  |
Deferred revenue | 481 | 700
Unamortized Virtual Items |  |
Deferred Revenue Arrangement [Line Items] |  |
Deferred revenue | 75 | 95
Advances For Pre-Order Items |  |
Deferred Revenue Arrangement [Line Items] |  |
Deferred revenue | $ 17 | $ 22

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

X
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DeferredRevenueCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=gigm_UnusedVirtualPointsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=gigm_UnamortizedVirtualItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=gigm_AdvancesForPreOrderItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |