Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Expenses
General and administrative expenses	$ (260)	$ (412)
Total operating expenses	(260)	(412)
Interest income	288	75
Dividend income	7
Gain on sale of closely held stock	120
Income from Continued Dumping and Subsidy Offset Act	1,230
Loss from affiliate	(19)
Income (loss) from continuing operations before income taxes	1,366	(337)
Income tax expense		(19)
Income (loss) from continuing operations	1,366	(356)
Discontinued operations
Loss from discontinued operations (including loss on sale of assets of $865)		(3,011)
Loss from discontinued operations		(3,011)
Net income (loss)	$ 1,366	$ (3,367)
Basic and diluted income (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ 0.09	$ (0.02)
Loss from discontinued operations (in dollars per share)		(0.21)
Net income (loss) (in dollars per share)	$ 0.09	$ (0.23)
Weighted average shares outstanding:
Basic (in shares)	14,508	14,573
Diluted (in shares)	14,551	14,573