Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 12,944	$ 18,221
Receivables from brokers, dealers, and clearing agencies	9,275	70,963
Due from related parties	669	679
Other receivables	5,971	5,531
Investments-trading	166,192	124,546
Other investments, at fair value	37,609	42,772
Receivables under resale agreements	247,289	129,978
Goodwill	11,113	11,206
Other assets	11,973	16,694
Total assets	503,035	420,590
Liabilities
Payables to brokers, dealers, and clearing agencies	35,857	24,633
Accounts payable and other liabilities	12,250	13,567
Accrued compensation	6,280	8,657
Trading securities sold, not yet purchased	84,119	99,613
Securities sold under agreements to repurchase	244,061	134,870
Deferred income taxes	7,964	7,500
Debt	26,731	37,167
Mandatorily redeemable equity interests	8,299	3,149
Total liabilities	425,561	329,156
Commitments and contingencies
Temporary Equity:
Redeemable non-controlling interest	7,985	14,026
Stockholders' Equity:
Common Stock, $0.001 par value per share, 100,000,000 shares authorized, 12,763,660 and 12,730,117 shares issued, respectively; 12,713,260 and 12,679,717 shares outstanding, respectively, including 2,207,345 and 2,597,620 unvested restricted share awards, respectively	11	10
Additional paid-in capital	64,921	63,032
Accumulated deficit	(11,487)	(5,121)
Accumulated other comprehensive loss	(664)	(626)
Treasury stock at cost (50,400 shares of Common Stock)	(328)	(328)
Total stockholders' equity	52,458	56,972
Non-controlling interest	17,031	20,436
Total permanent equity	69,489	77,408
Total liabilities and equity	503,035	420,590
Series A Voting Convertible Preferred Stock
Stockholders' Equity:
Preferred Stock, Value, Issued
Series B Voting Non-Convertible Preferred Stock
Stockholders' Equity:
Preferred Stock, Value, Issued	5	5
Series C Junior Participating Preferred Stock
Stockholders' Equity:
Preferred Stock, Value, Issued