v3.4.0.3

TIME DEPOSIT (Details) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Cash and Cash Equivalents [Abstract] |  |
Time deposit, fixed interest rate | 1.95% | 2.80%
Time deposit, maturity date | May 18, 2016 | Jun. 02, 2015

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 Time deposits maturity date. + References No definition available. + Details
Name: | acts_TimeDepositsMaturityDate
Namespace Prefix: | acts_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration