COMMITMENTS AND CONTINGENCIES (Product Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended	1 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Apr. 30, 2013
Product Liability
Restricted cash for indemnification agreement	$ 5,000	$ 5,000
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning warranty liability	1,038us-gaap_StandardProductWarrantyAccrual	725us-gaap_StandardProductWarrantyAccrual	489us-gaap_StandardProductWarrantyAccrual
Changes in existing warranty	(216)	(41)	47
Warranty expense	955us-gaap_ProductWarrantyExpense	1,528us-gaap_ProductWarrantyExpense	784us-gaap_ProductWarrantyExpense
Obligations fulfilled	(974)	(1,174)	(595)
Ending warranty liability	$ 803us-gaap_StandardProductWarrantyAccrual	$ 1,038us-gaap_StandardProductWarrantyAccrual	$ 725us-gaap_StandardProductWarrantyAccrual
Hardware other than Indoor WLAN Products
Product Liability
Standard product warranty term	1 year
Indemnification Agreement
Product Liability
Indemnification Period				6 years

Loss Contingency, Period Of Possible Loss

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- Definition

Standard Product Warranty Term

+ References

No definition available.

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- Definition

The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

+ 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 (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph ((c)(3,4))

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- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (c)(1),(c)(5)

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- Definition

Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph ((c)(2))

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

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- Definition

Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard product warranties (including adjustments related to changes in estimates). Does not include any Increase or Decrease in the liability for accruals related to extended product warranties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph ((c)(4))

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

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