v2.4.0.6

TIME DEPOSIT (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012
TIME DEPOSIT [Abstract] |
Time deposit, fixed interest rate | 2.58%
Time deposit, maturity date | Dec. 31, 2013

X
- Definition The contractual fixed interest rate for time deposits. + References No definition available. + Details
Name: | acts_TimeDepositsFixedInterestRate
Namespace Prefix: | acts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | acts_TimeDepositsMaturityDate
Namespace Prefix: | acts_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration