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Leases (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Schedule of current significant leased properties

The following table contains information about our current significant leased properties as of December 31, 2018:

Location	Approximate Square Feet			Use		Lease expiry date
Cranbury, New Jersey	90,000			Office and laboratory		September 2025
United Kingdom	46,617			Office		August 2028
Princeton, New Jersey	21,922			Office		January 2022

Schedule of aggregate annual future minimum lease payments under the operating leases

At December 31, 2018, aggregate annual future minimum lease payments under these leases are as follows:

(in thousands)	2019				2020				2021				2022				2023 and beyond				Total
Minimum lease payments	$	6,244			$	4,063			$	3,560			$	3,371			$	13,649			$	30,887

Schedule of aggregate annual future minimum lease payments under the capital leases, including interest

At December 31, 2018, aggregate annual future minimum lease payments under these leases, including interest, are as follows (in thousands):

Years ending December 31:
2019	$	194
2020	60
2021	47
2022	30
2023 and beyond	—
Total principal obligation	$	331

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Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.

+ References

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-Name Accounting Standards Codification
-Topic 840
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-Section 50
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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
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Tabular disclosure of real estate properties and units in those properties that are included in the discussion of the nature of an entity's operations.

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