OTHER CURRENT ASSETS AND OTHER NON-CURRENT ASSETS

3 Months Ended

Mar. 31, 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 March 31, 2019		As of December 31, 2018
	(in thousands)
Manufacturing-related deposits and prepaids	$	55,322	$	39,036
Investment receivable		42,300		—
Leasehold improvement receivable		13,474		13,474
Prepaid clinical and pre-clinical expenses		10,149		9,706
Prepaid maintenance services		3,538		2,994
Prepaid research expenses		3,091		1,932
Prepaid income tax		2,130		2,130
Interest receivable		1,285		1,918
Other		4,949		6,592
Total other current assets	$	136,238	$	77,782

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

	As of March 31, 2019		As of December 31, 2018
	(in thousands)
Manufacturing-related deposits	$	82,961	$	62,821
Strategic investments		32,359		31,739
Restricted cash and investments		6,201		1,001
Prepaid clinical expenses		5,700		7,541
Alternative minimum tax credit		3,367		3,367
Other		2,725		825
Total other non-current assets	$	133,313	$	107,294