BALANCE SHEET COMPONENTS, Inventory, Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Inventory on hand [Abstract]
Finished goods held for sale	$ 32,654	$ 20,575
Raw materials and work in process	828	717
Inventory in transit	3,297	2,750
Total inventory	36,779	24,042
Property and Equipment [Abstract]
Property and equipment, gross	27,468	27,471
Less: accumulated depreciation	(15,078)	(14,552)
Property and equipment, net	12,390	12,919
Depreciation expense	1,000	1,700
Building [Member]
Property and Equipment [Abstract]
Property and equipment, gross	9,240	9,257
Land [Member]
Property and Equipment [Abstract]
Property and equipment, gross	1,451	1,451
Leasehold Improvements [Member]
Property and Equipment [Abstract]
Property and equipment, gross	1,853	1,828
Equipment and Machinery [Member]
Property and Equipment [Abstract]
Property and equipment, gross	7,361	6,516
Furniture and Fixtures [Member]
Property and Equipment [Abstract]
Property and equipment, gross	7,339	8,082
Vehicles [Member]
Property and Equipment [Abstract]
Property and equipment, gross	224	337
United States [Member]
Property and Equipment [Abstract]
Property and equipment, net	12,077	12,541
Canada [Member]
Property and Equipment [Abstract]
Property and equipment, net	309	373
United Kingdom [Member]
Property and Equipment [Abstract]
Property and equipment, net	2	3
Spain [Member]
Property and Equipment [Abstract]
Property and equipment, net	$ 2	$ 2

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of merchandise or supplies to which the entity holds the title but does not hold physical possession because the goods are currently being transported.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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