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Summary of significant accounting policies - Inventory (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Accounting Policies [Abstract]
Increase in inventory for clinical development programs and marketing efforts	$ 0
Raw materials	678		$ 824
Work in progress	8,401		8,745
Finished goods	7,155		9,128
Total inventory	16,234		$ 18,697
Inventory write-down	$ 1,400	$ 200

X

- Definition

The increase (decrease) during the reporting period in the value of clinical development programs and marketing efforts held in inventory.

+ References

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a)(1))
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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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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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-Publisher FASB
-Name Accounting Standards Codification
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