XML 92 R83.htm IDEA: XBRL DOCUMENT
v3.25.1

INCOME TAXES - Summary of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Unrecognized tax benefits |  |  |
Beginning balance-gross unrecognized tax benefits (UTB’s) | $ 3,244 | $ 3,244 | $ 3,244
Ending balance—gross unrecognized tax benefits (“UTB”s) | 3,244 | 3,244 | 3,244
UTB’s as a credit in deferred taxes | (2,347) | (2,347) | (2,347)
Federal benefit of state taxes | (356) | (356) | (356)
Unrecognized tax benefits that would impact the annual effective tax rate if recognized | $ 541 | $ 541 | $ 541

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B + Details
Name: | us-gaap_UnrecognizedTaxBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A + Details
Name: | us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the portion of unrecognized tax benefits, which is related to credit in deferred tax assets. + References No definition available. + Details
Name: | utsi_UnrecognizedTaxBenefitsCreditInDeferredTaxes
Namespace Prefix: | utsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the portion of unrecognized tax benefits, which is related to the federal tax benefit of state income tax items. + References No definition available. + Details
Name: | utsi_UnrecognizedTaxBenefitsFederalBenefitOfStateTaxes
Namespace Prefix: | utsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration