THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 4) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Product warranty
Maximum warranty period	3 years
Changes in the entity's liability for product warranty
Balance, beginning of the period	$ 4,318,000us-gaap_StandardProductWarrantyAccrual	$ 1,097,000us-gaap_StandardProductWarrantyAccrual
New warranties issued during the period	8,584,000	5,290,000
Reversal of warranty reserves		(535,000)
Settlements during the period	(9,269,000)	(1,534,000)
Balance, end of the period	3,633,000us-gaap_StandardProductWarrantyAccrual	4,318,000us-gaap_StandardProductWarrantyAccrual	1,097,000us-gaap_StandardProductWarrantyAccrual
Less: Long term portion of product warranty liability	(424,000)	(348,000)
Current portion of product warranty liability	(3,209,000)	(3,970,000)
Advertising
Advertising expense	$ 900,000us-gaap_AdvertisingExpense	$ 1,100,000us-gaap_AdvertisingExpense	$ 400,000us-gaap_AdvertisingExpense
Share options
Share-based compensation
Expected life	4 years 8 months 19 days	6 years 3 months	6 years 3 months

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

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Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

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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.

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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.

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Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties.

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