Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets:
Cash and cash equivalents	$ 10,619	$ 237
Federal income tax receivable	0	10,742
Deferred tax asset	10,741	10,741
Other assets	17	33
Total assets	21,377	21,753
Liabilities:
Accounts payable and accrued liabilities	426	414
Other liabilities	0	0
Total liabilities	426	414
Litigation funding agreement (Note 9)	3,672	3,202
Commitments and contingencies (Note 8)
Stockholders' equity:
Common stock ($0.01 par value, 85,000 authorized in 2019 and 85,000 authorized in 2018, 46,410 issued and 40,738 outstanding in 2019 and 46,410 issued and 40,738 outstanding in 2018)	464	464
Additional paid-in capital	548,304	548,304
Accumulated deficit	(526,321)	(525,463)
Treasury stock, at cost - 2019 - 5,672 shares; and 2018 - 5,672 shares	(5,168)	(5,168)
Total stockholders' equity	17,279	18,137
Total liabilities and stockholders' equity	$ 21,377	$ 21,753