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BALANCE SHEET DETAILS (Schedule of Other Current Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Other current liabilities: |  |
Accrued contract costs | $ 3,638 utsi_AccruedContractCostsCurrent | $ 3,175 utsi_AccruedContractCostsCurrent
Accrued payroll and compensation | 4,705 us-gaap_EmployeeRelatedLiabilitiesCurrent | 8,136 us-gaap_EmployeeRelatedLiabilitiesCurrent
Warranty costs | 217 us-gaap_ProductWarrantyAccrualClassifiedCurrent | 617 us-gaap_ProductWarrantyAccrualClassifiedCurrent
Accrued professional fees | 816 us-gaap_AccruedProfessionalFeesCurrent | 1,946 us-gaap_AccruedProfessionalFeesCurrent
Accrued other taxes | 2,495 us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent | 2,722 us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent
Other | 3,592 us-gaap_OtherAccruedLiabilitiesCurrent | 5,834 us-gaap_OtherAccruedLiabilitiesCurrent
Total other current liabilities | $ 15,463 us-gaap_OtherLiabilitiesCurrent | $ 22,430 us-gaap_OtherLiabilitiesCurrent

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6911-107765 + Details
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