Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenue	$ 1,302	$ 892	$ 2,646	$ 3,008
Cost of goods sold	915	659	1,935	2,168
Gross profit	387	233	711	840
Operating expenses:
General and administrative	415	406	1,691	1,262
Sales and marketing	35	71	172	213
Gain on sale or disposal of assets	(243)		(613)	(1,823)
Income (loss) from continuing operations	180	(244)	(539)	1,188
Other income:
Interest income	1	3	4	109
Realized loss on investments				(1,824)
Realized gain on foreign currency translation		140		132
Total other income (loss)	1	143	4	(1,583)
Income (loss) before income taxes from continuing operations	181	(101)	(535)	(395)
Income tax expense		3		12
Income (loss) from continuing operations	181	(104)	(535)	(407)
Loss from operations of discontinued operations, net of taxes	(61)	(92)	(271)	(287)
Net income (loss)	$ 120	$ (196)	$ (806)	$ (694)
Net income (loss) per common share: basic
Continuing operations (in Dollars per share)	$ 0.08	$ (0.04)	$ (0.22)	$ (0.16)
Discontinued operations (in Dollars per share)	(0.03)	(0.04)	(0.11)	(0.11)
Net income (loss) per common share: diluted
Continuing operations (in Dollars per share)	0.08	(0.04)	(0.22)	(0.16)
Discontinued operations (in Dollars per share)	$ (0.03)	$ (0.04)	$ (0.11)	$ (0.11)
Weighted average common shares outstanding used in computing net income (loss) per common share
Basic (in Shares)	2,445,438	2,439,309	2,437,629	2,527,574
Diluted (in Shares)	2,445,438	2,439,309	2,437,629	2,527,524