Balance Sheet Components

12 Months Ended

Dec. 31, 2016

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

4. Balance Sheet Components

Property and Equipment, net

Property and equipment, net consists of the following:

	December 31,
	2016			2015
	(in thousands)
Computer hardware and software	$	708		$	400
Furniture and equipment		695			147
Leasehold improvements		527			-
		1,930			547
Less: Accumulated depreciation		(542	)		(261	)
Property and equipment, net	$	1,388		$	286

Depreciation expense for the years ended December 31, 2016, 2015 and 2014 was $0.3 million, $0.1 million and $0.1 million, respectively.

The useful life for computer hardware and software is 3 years; furniture and equipment is 5 years; and leasehold improvements is the lesser of the useful life of the term of the respective lease.

Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2016		2015
	(in thousands)
Development costs	$	14,541	$	6,466
Employee-related expenses		5,948		2,718
Professional services		1,751		935
Other accrued expenses		112		29
	$	22,352	$	10,148