XML 85 R71.htm IDEA: XBRL DOCUMENT v3.23.1

Summary of Deferred Revenue (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred Revenue Arrangement [Line Items]
Deferred revenue	$ 817	$ 880
Unused Virtual Point
Deferred Revenue Arrangement [Line Items]
Deferred revenue	700	702
Unamortized Virtual Items
Deferred Revenue Arrangement [Line Items]
Deferred revenue	95	168
Advances For Pre-Order Items
Deferred Revenue Arrangement [Line Items]
Deferred revenue	$ 22	$ 10

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ 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: