Other Financial Information

12 Months Ended

Dec. 31, 2018

Other Financial Information

Note 8 – Other Financial Information

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following at December 31 (in thousands):

	2018		2017
Laboratory supplies	$	11,974	$	13,085
Other prepaid expenses and other current assets		4,321		4,689
Prepaid expenses and other current assets	$	16,295	$	17,774

Property and Equipment, net

Property and equipment is comprised of the following at December 31 (in thousands):

	2018			2017
Machinery and equipment	$	35,723		$	35,409
Leasehold improvements		22,276			23,664
Computer hardware		4,763			5,091
Construction in progress		1,347			1,129
		64,109			65,293
Less ― accumulated depreciation		(35,683	)		(29,306	)
Property and equipment, net	$	28,426		$	35,987

Depreciation expense was approximately $7.4 million, $7.6 million and $7.7 million for the years ended December 31, 2018, 2017 and 2016, respectively.

Accrued Expenses

Accrued expenses consist of the following at December 31 (in thousands):

	2018		2017
Employee benefits and compensation	$	9,632	$	11,186
Research and development accruals		8,476		17,542
Other accrued expenses		1,442		882
Accrued expenses	$	19,550	$	29,610