4. Selected Balance Sheet Information

Prepaid expenses and other current assets (in thousands):


	December 31,
	2014		2013
Intrexon prepaid research and development expenses – See Note 7	$	1,067	$	1,361
Prepaid insurances		228		177
Prepaid expenses		253		53
Total	$	1,548	$	1,591

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 goods and services during 2015.

Property and equipment (in thousands):


	December 31,
	2014			2013
Computer and office equipment	$	93		$	45
Software		11			11
		104			56
Less accumulated depreciation		(39	)		(19	)
Total	$	65		$	37

Accrued expenses (in thousands):


	December 31,
	2014		2013
Accrued manufacturing costs	$	247	$	662
Accrued vendor payments		176		220
Accrued milestone payments		350		—
Accrued clinical consulting services		525		—
Total	$	1,298	$	882