Consolidated Statement of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss	$ (15,875,000)	$ (10,679,000)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
(Loss) gain on disposal of discontinued operations, net of taxes	(7,800,000)	1,017,000
Loss (gain) on disposal of discontinued operations, net of taxes	(1,397,000)	468,000
Equity in net loss (income) of investee	623,000	(1,343,000)
Dividend received from investee	780,000	0
Equity in net income of limited liability investments	(203,000)	(941,000)
Loss on change in fair value of limited liability investment	1,592,000	(789,000)
Depreciation and amortization expense	5,099,000	4,039,000
Contingent consideration benefit	0	212,000
Stock-based compensation (benefit) expense, net of forfeitures	(1,881,000)	887,000
Net realized losses	17,000	1,000
Gain on change in fair value of equity investments	(1,081,000)	0
Net change in unrealized loss on private company investments	(136,000.000)	(1,265,000.000)
Loss on change in fair value of debt	2,511,000	5,769,000
Deferred income taxes	(265,000)	1,135,000
Amortization of fixed maturities premiums and discounts	47,000	72,000
Amortization of note payable premium	(707,000)	(722,000)
Gain on disposal of subsidiary	17,000	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Service fee receivable, net	2,356,000	1,311,000
Other receivables, net	(1,739,000)	(2,779,000)
Deferred acquisition costs, net	(574,000)	(414,000)
Unpaid loss and loss adjustment expenses	963,000	(708,000)
Deferred service fees	4,872,000	1,433,000
Other, net	(6,639,000)	7,165,000
Cash (used in) provided by operating activities - continuing operations	(8,294,000)	1,319,000
Cash used in operating activities - discontinued operations	(7,378,000)	(13,197,000)
Net cash used in operating activities	(15,672,000)	(11,878,000)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Proceeds from sales and maturities of fixed maturities	5,241,000	982,000
Proceeds from sales of equity investments	4,966,000	0
Purchases of fixed maturities	1,885,000	192,000
Purchases of equity investments	857,000	4,654,000
Proceeds from Sale of Equity Method Investments	4,113,000
Net proceeds from (acquisitions of) limited liability investments		3,133,000
Net purchases of limited liability investments, at fair value	(945,000)	(1,314,000)
Net proceeds from (purchases of) investments in private companies	119,000	(521,000)
Net proceeds from other investments	404,000	3,000
Net proceeds from short-term investments	0	(250,000)
Proceeds from Sale of Other Assets, Investing Activities	1,001,000	0
Proceeds from disposal of subsidiary	565,000	0
Net proceeds from sale of discontinued operations	1,129,000	860,000
Net disposals of property and equipment	550,000	34,000
Cash provided by (used in) investing activities - continuing operations	14,401,000	(7,685,000)
Cash provided by investing activities - discontinued operations	1,977,000	15,894,000
Net cash provided by investing activities	16,378,000	8,209,000
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Principal payments on bank loan	(750,000)	0
Principal payments on note payable	2,507,000	2,243,000
Cash used in financing activities - continuing operations	(3,257,000)	(2,243,000)
Cash used in financing activities - discontinued operations	0	0
Net cash used in financing activities	(3,257,000)	(2,243,000)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	2,850,000	(8,609,000)
Cash and cash equivalents and restricted cash at beginning of period	43,874,000	36,005,000
Less: cash and cash equivalents and restricted cash of discontinued operations at beginning of period	23,512,000	4,524,000
Cash and cash equivalents and restricted cash at beginning of period	5,377,000
Cash and cash equivalents and restricted cash of continuing operations at end of period	$ 23,212,000	$ 22,872,000