OTHER CURRENT ASSETS AND OTHER NON-CURRENT ASSETS

6 Months Ended

Jun. 30, 2019

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

OTHER CURRENT ASSETS AND OTHER NON-CURRENT ASSETS

8. OTHER CURRENT ASSETS AND OTHER NON-CURRENT ASSETS

The following table summarizes the Company’s other current assets for each of the periods indicated:

	As of June 30, 2019		As of December 31, 2018
	(in thousands)
Manufacturing-related deposits and prepaids	$	48,094	$	39,036
Investment receivable		20,000		—
Leasehold improvement receivable		13,474		13,474
Prepaid clinical and pre-clinical expenses		9,504		9,706
Payroll tax receivable		4,025		471
Prepaid maintenance services		3,343		2,994
Prepaid research expenses		2,519		1,932
Prepaid income tax		2,125		2,130
Prepaid commercial expenses		1,788		1,573
Other		5,927		6,466
Total other current assets	$	110,799	$	77,782

The following table summarizes the Company’s other non-current assets for each of the periods indicated:

	As of June 30, 2019		As of December 31, 2018
	(in thousands)
Manufacturing-related deposits and prepaids	$	97,381	$	62,821
Strategic investments		32,154		31,739
Restricted cash and investments		9,461		1,001
Prepaid clinical expenses		7,161		7,541
Alternative minimum tax credit		3,367		3,367
Other		2,336		825
Total other non-current assets	$	151,860	$	107,294