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Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Reconciliation of 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:

​

​	​	​	​	​	​	​
​		End of			​	Beginning of
​		period-			period-
​		December 31,			December 31,
​		2021		​	2020
Cash and cash equivalents	​	$	189,718	​	$	208,812
Restricted cash included in deposits and other assets	​		7,500	​		7,500
Total Cash, cash equivalents and restricted cash per statement of cash flows	​	$	197,218	​	$	216,312

Schedule of estimated useful life of related assets

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

Schedule of Inventory

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

​

​	​	​	​	​	​	​
​		December 31, 2021			December 31, 2020
Raw materials	​	$	1,418	​	$	824
Work in progress	​		7,721	​		8,745
Finished goods	​		6,717	​		9,128
Total inventory	​	$	15,856	​	$	18,697

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Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and are not intended for resale.

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Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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