Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Sales	$ 3,618	$ 3,834	$ 6,861	$ 6,967
Less customer programs and excise taxes	235	195	411	416
Net sales	3,383	3,639	6,450	6,551
Cost of sales	2,240	2,218	4,558	4,405
Gross profit	1,143	1,421	1,892	2,146
Operating expenses:
Sales and marketing expenses	635	970	1,411	2,483
General and administrative expenses	1,901	2,287	4,112	4,443
(Gain) loss on disposal of property and equipment		(20)	61	(19)
Total operating expenses	2,536	3,237	5,584	6,907
Loss from operations	(1,393)	(1,816)	(3,692)	(4,761)
Other income (expense), net
Interest expense	(345)	(319)	(471)	(623)
Other income	17		2,217
Total other income (expense), net	(328)	(319)	1,746	(623)
Loss before income taxes	(1,721)	(2,135)	(1,946)	(5,384)
Provision for income taxes
Net loss from continuing operations	(1,721)	(2,135)	(1,946)	(5,384)
Net income (loss) from discontinued operations	(47)	(51)	3,886	(310)
Net income (loss)	$ (1,768)	$ (2,186)	$ 1,940	$ (5,694)
Basic net income (loss) per common share	$ (0.14)	$ (0.22)	$ 0.17	$ (0.58)
Diluted net income (loss) per common share	$ (0.14)	$ (0.22)	$ 0.13	$ (0.58)
Basic weighted average common shares outstanding	12,262	9,984	11,683	9,869
Diluted weighted average common shares outstanding	12,262	9,984	14,401	9,869