LITIGATION: (Details Textual) (USD $)	1 Months Ended
Jul. 31, 2011
Litigation Settlement, Expense	$ 2,000,000

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

No definition available.

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration