COMMITMENTS AND CONTINGENCIES (Details 2) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 15, 2010 Violations of California securities laws, common laws and unfair business practices act	Feb. 02, 2007 Violations of California securities laws, common laws and unfair business practices act item
Gain contingency, legal proceedings
Number of shareholders plaintiffs			5
Percentage of control in prime brokerage market by defendants			80.00%
Settlement agreement consideration		$ 4.5
Reimbursement of allowable court costs	$ 2.4