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BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 3) (USD $) |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Mar. 31, 2014 UNITED STATES | Dec. 31, 2013 UNITED STATES | Mar. 31, 2014 UNITED KINGDOM
Valuation Allowance [Line Items] |  |  |  |  |  |
Valuation Allowances and Reserves, Balance | $ 87,141,000 | $ 83,140,000 | $ 0 |  |  |
Valuation Allowance, Deferred Tax Asset, Change in Amount |  |  |  | 2,750,000 | 83,140,000 | 1,251,000
Deferred Tax Assets, Net | $ 89,500,000 |  |  |  |  |

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