XML 129 R110.htm IDEA: XBRL DOCUMENT
v3.8.0.1

SUBSEQUENT EVENTS (Details) |  |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 30, 2017 USD ($) $ / shares shares | Mar. 31, 2017 director $ / shares | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | May 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Nov. 12, 2014 USD ($)
Repurchase program November 2014 |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Maximum ordinary shares outstanding under the repurchase program |  |  |  |  |  |  | $ 40,000,000
Subsequent Event | Non-binding proposal letter |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Ordinary share price per share (in dollars per share) | $ / shares |  | $ 2.15 |  |  |  |  |
Number of independent directors | director |  | 2 |  |  |  |  |
AioTV |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Carrying amount of the investment |  |  |  |  |  | $ 1,700,000 |
AioTV | Subsequent Event | Note Purchase Agreement |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Principal amount | $ 480,685 |  |  |  |  |  |
Carrying amount of the investment | $ 800,000 |  |  |  | $ 800,000 |  |
AioTV | Subsequent Event | Common Stock | Note Purchase Agreement |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Preferred stock converted to common shares | shares | 25,527,008 |  |  |  |  |  |
Convertible debentures converted to ordinary shares | shares | 2,269,856 |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares | $ 0.320937 |  |  |  |  |  |
Debt instrument, conversion price (in dollars per share) | $ / shares | $ 0.253790596 |  |  |  |  |  |
Series B preferred stock | AioTV |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Equity method investment, ownership interest (as a percent) |  |  |  |  |  | 44.00% |
Carrying amount of the investment |  |  |  |  |  | $ 900,000 |
Series B preferred stock | AioTV | Subsequent Event | Note Purchase Agreement |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Convertible shares | shares | 25,527,008 |  |  |  |  |  |
Convertible bonds of privately-held company | AioTV |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Carrying amount of the investment |  |  |  |  |  | $ 800,000 |
Convertible bonds of privately-held company | AioTV | Subsequent Event | Note Purchase Agreement |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Convertible promissory note, value | $ 319,315 |  |  |  |  |  |
Payments to acquire investments |  |  | $ 380,000 | $ 100,000 |  |  |
Convertible debentures | AioTV | Subsequent Event | Note Purchase Agreement |  |  |  |  |  |  |
SUBSEQUENT EVENTS |  |  |  |  |  |  |
Principal amount | 576,068 |  |  |  |  |  |
Accrued and unpaid interests | $ 500,000 |  |  |  |  |  |

X
- Definition Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 20 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594 + Details
Name: | us-gaap_CostMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of accrued and unpaid interests of convertible debentures. + References No definition available. + Details
Name: | utsi_ConvertibleDebenturesAccruedAndUnpaidInterests
Namespace Prefix: | utsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The principal amount of convertible debentures. + References No definition available. + Details
Name: | utsi_ConvertibleDebenturesPrincipalAmount
Namespace Prefix: | utsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of convertible promissory note. + References No definition available. + Details
Name: | utsi_ConvertiblePromissoryNoteValue
Namespace Prefix: | utsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of common shares available in investee after conversion under the equity method of accounting. + References No definition available. + Details
Name: | utsi_EquityMethodInvestmentNumberOfCommonSharesUponConversion
Namespace Prefix: | utsi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share converted in equity method investment. + References No definition available. + Details
Name: | utsi_EquityMethodInvestmentNumberOfSharesConverted
Namespace Prefix: | utsi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of independent directors. + References No definition available. + Details
Name: | utsi_NumberOfIndependentDirectors
Namespace Prefix: | utsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Conversion value per share under the equity method of accounting. + References No definition available. + Details
Name: | utsi_ShareConversionPrice
Namespace Prefix: | utsi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=utsi_RepurchaseProgramNovember2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=utsi_NonBindingProposalLetterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentIssuerAxis=utsi_AioTVIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=utsi_NotePurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=utsi_ConvertibleDebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |