Property and equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Machinery, equipment and software	$ 15,327	$ 9,407	$ 13,007
Leasehold improvements	3,459	2,157	9,549
Furniture and fixtures	708	684	3,027
Store fixtures	10,302	11,879	13,481
Property and equipment, gross	29,796	24,127	39,064
Less: Accumulated depreciation and amortization	(12,625)	(8,121)	(17,260)
Property and equipment, net	$ 17,171	$ 16,006	$ 21,804

Machinery equipment and software, gross.

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- Definition

Store fixtures gross.

+ References

No definition available.

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- Definition

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

+ References

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- Definition

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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