Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 1,693,000	$ 58,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	24,000	46,000
Changes in:
Securities owned, at fair value	(346,000)	92,000
Receivable from clearing and other brokers	(1,146,000)	(127,000)
Payable to clearing broker	346,000	0
Prepaid expenses and other assets	(149,000)	(61,000)
Taxes payable	413,000	0
Due to related party	(16,000)	0
Receivable from related party	283,000	0
Accounts payable and accrued liabilities	563,000	(476,000)
Net cash provided by (used in) operating activities	1,665,000	(468,000)
Cash flows from investing activities:
Purchase of furniture, equipment and leasehold improvements	(46,000)	(215,000)
Net cash used in investing activities	(46,000)	(215,000)
Cash flows from financing activities
Net increase/(decrease) in cash and cash equivalents	1,619,000	(683,000)
Cash and cash equivalents - beginning of period	3,765,000	2,730,000
Cash and cash equivalents - end of period	5,384,000	2,047,000
Supplemental Schedule Of Non-Cash Financing Activities:
Payment by parent of expenses	$ 0	$ 803,000