CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash Flows From Operating Activities:
Net Income (loss)	$ 2,157,000	$ (5,578,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	115,000	277,000
Non-cash interest on receivable from former affiliate	0	(207,000)
Loss on disposal of fixed assets	0	89,000
Expenses paid by former shareholder	0	2,206,000
Accrued interest on note receivable from former affiliate	0	(322,000)
Due to related party	127,000	0
Changes in:
Securities owned, at fair value	92,000	501,000
Receivable from clearing and other brokers	(790,000)	20,000
Receivable from related party	(283,000)	0
Prepaid expenses and other assets	108,000	292,000
Income taxes payable	125,000	0
Accounts payable and accrued liabilities	(199,000)	(539,000)
Net cash provided by (used in) operating activities	1,452,000	(3,261,000)
Cash Flows From Investing Activities:
Purchase of furniture, equipment and leasehold improvements	(417,000)	(38,000)
Payment received from business sold to former affiliate	0	493,000
Net cash (used in) provided by investing activities	(417,000)	455,000
Cash Flows From Financing Activities:
Cash dividend	0	(4,494,000)
Contribution from principal stockholder	803,000	610,000
Net cash provided by (used in) financing activities	0	(3,884,000)
Net increase (decrease) in cash and cash equivalents	1,035,000	(6,690,000)
Cash and cash equivalents - beginning of period	2,730,000	9,420,000
Cash and cash equivalents - end of period	3,765,000	2,730,000
Supplemental Cash Flow Disclosures:
Cash paid during the year for income taxes	33,000	0
Cash paid during the year for interest	15,000	0
Non-cash investing and financing activities:
Cancellation of treasury shares	0	4,760,000
Non-cash dividend (transferred receivable and note) to principal shareholder	0	6,174,000
Payment by related party of accrued settlement liability	$ (825,000)	$ 0