Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net (loss) income	$ (1,369,000)	$ 625,000
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	31,000	109,000
Loss from equity investees	694,000	154,000
Distribution from equity investees	73,000	2,000
Changes in:
Securities owned, at fair value	(75,000)	(14,000)
Receivables from brokers	843,000	(586,000)
Prepaid expenses and other assets	(48,000)	(103,000)
Accounts payable and accrued liabilities	(292,000)	(603,000)
Net cash used in operating activities	(143,000)	(416,000)
Cash flows from investing activities:
Purchase of furniture, equipment and leasehold improvements	(40,000)	(154,000)
Advances to equity investees	(69,000)	(46,000)
Net cash used in investing activities	(109,000)	(200,000)
Cash flows from financing activities:
Purchase of treasury shares	(16,000)	(6,000)
Net cash used in financing activities	(16,000)	(6,000)
Net decrease in cash and cash equivalents	(268,000)	(622,000)
Cash and cash equivalents - beginning of period	18,902,000	21,167,000
Cash and cash equivalents - end of period	18,634,000	20,545,000
Supplemental cash flow disclosures:
Cash paid for: Income taxes	$ 26,000	$ 12,000