Segments - Schedule of Operating Results of Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 7,137	$ 2,514	$ 21,846	$ 8,714
Gross profit (loss)	1,090	250	3,216	520
Operating loss	(3,514)	(3,740)	(9,134)	(4,853)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	7,137	2,514	21,846	8,714
Gross profit (loss)	1,090	250	3,216	520
Operating loss	(1,362)	(122)	(4,916)	(387)
Operating Segments [Member] | OneClick Retail Stores [Member]
Segment Reporting Information [Line Items]
Net sales	3,685		9,329
Gross profit (loss)	1,088		2,739
Operating loss	(459)		(2,505)
Operating Segments [Member] | Cooltech Distribution [Member]
Segment Reporting Information [Line Items]
Net sales	1,693	2,514	6,353	8,714
Gross profit (loss)	137	250	578	520
Operating loss	(364)	$ (122)	(952)	$ (387)
Operating Segments [Member] | Verykool Products [Member]
Segment Reporting Information [Line Items]
Net sales	1,759		6,164
Gross profit (loss)	(135)		(101)
Operating loss	$ (539)		$ (1,459)