4. Disposition (Tables)

12 Months Ended

Dec. 31, 2020

Discontinued Operations and Disposal Groups [Abstract]

Information related to disposal group

	For the years ended December 31,
	2020		2019		2018
Net sales	$	–	$	–	$	4,681
Cost of revenue		–		–		2,027
Gross profit		–		–		2,654
General and administrative		–		–		2,904
Sales, marketing and customer service		–		–		887
Provision for doubtful accounts, notes and other receivable		–		–		195
Total operating expense		–		–		3,986
Total other expense, net		–		–		(4,790	)
Loss from discontinued operations before income tax		–		–		(6,122	)
Income tax expense		–		–		–
Loss from discontinued operations, net of income tax	$	–	$	–	$	(6,122	)