Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Cash and cash equivalents	$ 7,925	$ 2,851
Federal income tax receivable	0	5,371
Deferred tax asset	0	5,370
Other assets	65	33
Total assets	7,990	13,625
Liabilities:
Accounts payable and accrued liabilities	383	414
Other liabilities	0	0
Total liabilities	383	414
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock ($0.01 par value, 85,000 authorized in 2020 and 85,000 authorized in 2019, 46,410 issued and 40,738 outstanding in 2020 and 46,410 issued and 40,738 outstanding in 2019)	464	464
Additional paid-in capital	548,304	548,304
Accumulated deficit	(535,993)	(530,389)
Treasury stock, at cost - 2020 - 5,672 shares; and 2019 - 5,672 shares	(5,168)	(5,168)
Total stockholders' equity	7,607	13,211
Total liabilities and stockholders' equity	$ 7,990	$ 13,625