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SHARE-BASED COMPENSATION (Narrative) (Details) (USD $)
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12 Months Ended | ||||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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May 31, 2007
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May 31, 2011
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Number of common shares subscribed by authorized options and RSUs | 48,000,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights | ||||
| Unrecognized compensation cost related to non-vested stock options | $ 2,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions | ||||
| Unrecognized compensation cost related to non-vested RSUs | 22,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions | 19,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions | |||
| Total share-based compensation expense in relation to options and RSU | 45,000us-gaap_ShareBasedCompensation | 492,000us-gaap_ShareBasedCompensation | 1,465,000us-gaap_ShareBasedCompensation | ||
| Milestone one | 31,500,000acts_GrossMarginMilestoneOne | ||||
| Milestone two | 44,500,000acts_GrossMarginMilestoneTwo | ||||
| Milestone three | $ 55,500,000acts_GrossMarginMilestoneThree | ||||
| Stock Options [Member] | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Number of shares authorized | 8,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
1,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
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| Restricted Stock Units (RSUs) [Member] | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Number of shares authorized | 8,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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| Unrecognized compensation cost, recognition period | 2 years | 1 year | |||
| Shares available for future grant | 9,323,516us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
6,929,661us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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| X | ||||||||||
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- Definition
Gross Margin reaches or exceeds Milestone One for the first time, then 20% of the Shares subject to the Option Right shall be vested and 20% of the Shares subject to the Option Right shall vest 1 year after. No definition available.
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| X | ||||||||||
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- Definition
Gross Margin reaches or exceeds Milestone Three for the first time, then an additional 15% of the Shares subject to the Option Right shall be vested and an additional 15% of the Shares subject to the Option Right shall vest 1 year after. No definition available.
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| X | ||||||||||
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- Definition
Gross Margin reaches or exceeds Milestone Two for the first time, then an additional 15% of the Shares subject to the Option Right shall be vested and an additional fifteen percent 15% of the Shares subject to the Option Right shall vest 1 year after. No definition available.
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| X | ||||||||||
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- Definition
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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
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| X | ||||||||||
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- Definition
Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. No definition available.
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- Definition
Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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