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Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of reconciliation cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheet that sum to the total of the same amounts shown in the statement of cash flows:

		Beginning of period- December 31, 2018				End of period- December 31, 2019
Cash and cash equivalents		$	169,498			$	288,028
Restricted cash included in deposits and other assets		—				7,500
Total Cash, cash equivalents and restricted cash per statement of cash flows		$	169,498			$	295,528

Schedule of estimated useful life of related assets

Depreciation is computed starting when the asset is placed into service on a straight-line basis over the estimated useful life of the related asset as follows:

Leasehold improvements	Lesser of useful life or lease term
Computer equipment and software	3 years
Furniture, fixtures, machinery and lab equipment	7 years

Schedule of inventory

The following table summarizes the components of the Company’s inventory for the periods indicated:

		December 31, 2019				December 31, 2018
Raw materials		$	874			$	1,431
Work in progress		9,652				9,324
Finished goods		8,759				5,362
Total inventory		$	19,285			$	16,117

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