Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
General and administrative expense	$ 1,146	$ 1,991	$ 2,380	$ 4,454
Operating loss	(1,146)	(1,991)	(2,380)	(4,454)
Other income (loss), net	30	6,733	(1,967)	7,439
Interest income	145	74	246	127
Equity income (loss), net	1,454	(5,136)	(2,125)	14,193
Net income (loss) before income taxes	483	(320)	(6,226)	17,305
Income tax benefit (expense)	0	0	0	0
Net income (loss)	$ 483	$ (320)	$ (6,226)	$ 17,305
Net income (loss) per share:
Basic (in dollars per share)	$ 0.03	$ (0.02)	$ (0.38)	$ 0.83
Diluted (in dollars per share)	$ 0.03	$ (0.02)	$ (0.38)	$ 0.83
Weighted average shares used in computing income (loss) per share:
Basic (in shares)	16,356	20,856	16,468	20,879
Diluted (in shares)	16,356	20,856	16,468	20,879