XML 62 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Useful Lives of Property, Plant and Equipment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 2.9us-gaap_Depreciation	$ 5.4us-gaap_Depreciation	$ 4.4us-gaap_Depreciation
Hangzhou office [Member]
Property, Plant and Equipment [Line Items]
Accelerated amortization due to early termination	0.2utsi_AcceleratedAmortization / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = utsi_HangzhouOfficeMember
Furniture, test or manufacturing equipment [Member]
Property, Plant and Equipment [Line Items]
Useful lives	5 years
Computers and software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful lives	2 years
Computers and software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful lives	3 years
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Useful lives	5 years
Leasehold improvements [Member] | Beijing and Hangzhou offices [Member]
Property, Plant and Equipment [Line Items]
Accelerated amortization due to early termination		2.0utsi_AcceleratedAmortization / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = utsi_BeijingAndHangzhouOfficeMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LeaseholdImprovementsMember
Leasehold improvements [Member] | Beijing office [Member]
Property, Plant and Equipment [Line Items]
Accelerated amortization due to early termination			$ 0.9utsi_AcceleratedAmortization / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = utsi_BeijingOfficeMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LeaseholdImprovementsMember

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_Depreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the amount of accelerated amortization included in accumulated depreciation, depletion and amortization (relating to property, plant and equipment) written down during the period.

+ References

No definition available.

+ Details

Name:	utsi_AcceleratedAmortization
Namespace Prefix:	utsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=utsi_HangzhouOfficeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AutomobilesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=utsi_FurnitureTestOrManufacturingEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: