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INCOME TAXES (Details 4) (USD $)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| INCOME TAXES | ||
| Increase (decrease) in valuation allowance | $ 51,700,000 | $ 34,500,000 |
| Tax deductions related to exercise of stock options | 2,500,000 | 2,500,000 |
| Loss carryforward tax assets not included in deferred assets | 1,700,000 | 1,700,000 |
| Increase in equity if unrecorded deferred tax assets are ultimately realized | 1,700,000 | 1,700,000 |
| Gross unrecognized tax benefits | ||
| Balance at the beginning of the year | 1,500,000 | 1,500,000 |
| Increase related to prior year tax positions | 2,600,000 | |
| Increase related to current year tax positions | 200,000 | |
| Balance at the end of the year | 4,300,000 | 1,500,000 |
| Unrecognized tax benefits, if recognized, would result in adjustments to other tax accounts, primarily deferred taxes | $ 3,300,000 | $ 1,000,000 |
| X | ||||||||||
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- Definition
Loss carryforward tax assets not included in deferred tax assets, as a result of certain realization requirements, that arose directly from (or the use of which was postponed by) tax deductions related to stock-based compensation expense in excess of compensation expense recognized for financial reporting. No definition available.
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- Definition
The effect, on equity, if loss carryforward tax assets not included in deferred tax assets are ultimately realized. No definition available.
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- Definition
Represents the total amount of unrecognized tax benefits that, if recognized, would affect the amount of other tax accounts including deferred taxes. No definition available.
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- Definition
Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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