Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating Expenses
General and administrative expenses	$ (229)	$ (204)	$ (761)	$ (776)
Other income/expenses
Interest income	252	302	795	618
Dividend income	50		107
Product financing interest income		125		125
Gain on sale of closely held stock			120
Income from Continued Dumping and Subsidy Offset Act			1,230
Gain on extinguishment of subordinated note receivable		448		448
Loss from affiliate	(132)		(273)
Impairment loss		(168)	(897)	(168)
Income (loss) from continuing operations before income taxes	(59)	503	321	247
Income tax benefit		990	84	1,202
Income (loss) from continuing operations	(59)	1,493	405	1,449
Discontinued operations
Loss from discontinued operations (including loss on sale of assets of $865)				(3,011)
Net income (loss)	$ (59)	$ 1,493	$ 405	$ (1,562)
Basic and diluted income (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ 0	$ 0.10	$ 0.03	$ 0.10
Loss from discontinued operations (in dollars per share)				(0.21)
Net income (loss) (in dollars per share)	$ 0	$ 0.10	$ 0.03	$ (0.11)
Weighted average shares outstanding:
Basic (in shares)	14,510	14,508	14,504	14,538
Diluted (in shares)	14,510	14,551	14,934	14,581