Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Premiums earned	$ 1,220	$ 3,147	$ 5,121
Net investment income	6,670	2,249	879
Total revenues	7,890	5,396	6,000
Operating expenses:
Losses and loss adjustment expense (benefit)	19	(669)	(1,115)
Ceding commission expense	137	306	456
General and administrative expense	14,457	7,043	20,940
Loss contract reserve reduction	(5,645)	(3,978)	(2,926)
Gain from contract termination	(383)
Interest expense	1,788	2,616	3,702
Total operating expenses	10,373	5,318	21,057
Net operating (loss) income	(2,483)	78	(15,057)
Other (income) expense:
Other income	(123)	(123)	(7,845)
(Gain) loss on change in fair value of derivative embedded conversion feature	(28,242)	(201,499)	54,621
Total other (income) expense	(28,365)	(201,622)	46,776
Income (loss) before income taxes	25,882	201,700	(61,833)
Net income (loss)	25,882	201,700	(61,833)
Redeemable convertible series B preferred stock dividends	(18,050)	(18,000)	(17,748)
Net income (loss) attributable to common and participating stockholders	$ 7,832	$ 183,700	$ (79,581)
Basic net income (loss) per share attributable to common stockholders (Note 12)	$ 0.01	$ 0.33	$ (0.39)
Shares used in computing basic net income (loss) per share	202,595,288	202,270,887	201,746,613
Diluted net income (loss) per share attributable to common stockholders (Note 12)	$ 0.01	$ 0.30	$ (0.39)
Shares used in computing diluted net income (loss) per share	212,660,917	235,406,360	201,746,613