STOCKHOLDERS' EQUITY: (Details 3) (Employee Stock Purchase Plan)	3 Months Ended
Mar. 31, 2014
Employee Stock Purchase Plan
Share based compensation
Percentage of title acquired by employee in every two years on shares paid in previous two years	50.00%
Period of plan	8 years
Ratio of bonus shares granted to participant	0.1

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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