Disposals and Discontinued Operations - Summary of Net Income or Loss from Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Discontinued Operations And Disposal Groups [Abstract]
REVENUE	$ 12,482	$ 12,094
Cost of goods sold	(8,057)	(7,758)
Gross profit	4,425	4,336
OPERATING EXPENSES
Selling and marketing expenses	3,899	5,274
Depreciation and amortization	472	692
Total operating expenses	4,371	5,966
Income (loss) from operations	54	(1,630)
Interest expense	(109)
Goodwill impairment		(1,092)
Gain on sale of subsidiaries	13,454
Net income (loss) before income taxes	13,399	(2,722)
Income tax expense	(412)	(411)
Net income (loss) after income tax expense	$ 12,987	$ (3,133)