XML 79 R60.htm IDEA: XBRL DOCUMENT
v3.19.1

ACQUISITION - Schedule of Purchase Price Allocation (Parenthetical) (Details) | 1 Months Ended
--- | ---
Dec. 31, 2018
uSTAR |
Business Acquisition [Line Items] |
Purchase price percentage | 51.00%

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

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed net purchase price, percentage. + References No definition available. + Details
Name: | utsi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetPurchasePricePercentage
Namespace Prefix: | utsi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=utsi_HangzhouUstarTechnologiesLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |