Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Expenses
General and administrative expenses	$ (434)	$ (272)	$ (872)	$ (532)
Other income/expenses
Interest income	207	255	431	543
Dividend income	121	50	171	57
Gain on sale of closely held stock				120
Income from Continued Dumping and Subsidy Offset Act				1,230
Gain on settlement of subordinated note receivable			1,326
Loss from affiliate	(69)	(122)	(177)	(141)
Impairment loss		(897)		(897)
Income (loss) from operations before income taxes	(175)	(986)	879	380
Income tax benefit		(84)		(84)
Net income (loss)	$ (175)	$ (902)	$ 879	$ 464
Basic and diluted income (loss) per share:
Net income (loss) (in dollars per share)	$ (0.01)	$ (0.06)	$ 0.05	$ 0.03
Weighted average shares outstanding:
Basic (in shares)	19,395	14,492	17,305	14,499
Diluted (in shares)	19,395	14,492	17,721	14,959