XML 118 R99.htm IDEA: XBRL DOCUMENT v3.19.1

SEGMENT REPORTING (Schedule of Sales Data by Geographical Area) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
SEGMENT REPORTING
Net Sales by Segment	$ 115,944	$ 98,292	$ 86,512
Net Sales by Segment (as a percent)	100.00%	100.00%	100.00%
China
SEGMENT REPORTING
Net Sales by Segment	$ 3,146	$ 2,926	$ 4,021
Net Sales by Segment (as a percent)	3.00%	3.00%	5.00%
India
SEGMENT REPORTING
Net Sales by Segment	$ 70,106	$ 42,352	$ 33,021
Net Sales by Segment (as a percent)	60.00%	43.00%	38.00%
Japan
SEGMENT REPORTING
Net Sales by Segment	$ 35,504	$ 49,185	$ 45,561
Net Sales by Segment (as a percent)	31.00%	50.00%	52.00%
Taiwan
SEGMENT REPORTING
Net Sales by Segment	$ 6,445	$ 3,018	$ 3,217
Net Sales by Segment (as a percent)	6.00%	3.00%	4.00%
Other
SEGMENT REPORTING
Net Sales by Segment	$ 743	$ 811	$ 692
Net Sales by Segment (as a percent)	1.00%	1.00%	1.00%

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

X

- Definition

Represents the net sales, expressed as a percentage of net sales revenue.

+ References

No definition available.

+ Details

Name:	utsi_SalesRevenueNetPercentage
Namespace Prefix:	utsi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_IN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_JP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_TW
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=utsi_OtherCountriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: