3. Selected Balance Sheet Information

Prepaid expenses and other current assets (in thousands):

	December 31,
	2015		2014
Intrexon prepaid research and development expenses – See Note 7	$	643	$	1,067
Prepaid clinical research organization expenses		8,329		—
Prepaid insurances		339		228
Other prepaid expenses		208		253
Total	$	9,519	$	1,548

The Intrexon prepaid research and development expenses are classified as a current asset. The Company may terminate the arrangement at any time and receive a cash refund of the remaining balance minus any amounts owed to Intrexon. The Company anticipates that the majority of the prepaid will be applied to research and development expenses during 2016.

Prepaid clinical research organization expense are classified as a current asset. The Company makes payments to the clinical research organizations based on agreed upon terms that includes payments in advance of study services. The Company anticipates that the majority of the prepaid clinical research organization expenses will be applied to research and development expenses during 2016.

Property and equipment (in thousands):

	December 31,
	2015			2014
Computer and office equipment	$	346		$	93
Software		11			11
Leasehold improvements		242			—
		599			104
Less accumulated depreciation and amortization		(105	)		(39	)
Total	$	494		$	65

Accrued expenses (in thousands):

	December 31,
	2015		2014
Accrued manufacturing costs	$	—	$	247
Accrued vendor payments		133		176
Accrued milestones payments		—		350
Accrued clinical consulting services		164		525
Total	$	297	$	1,298