Property and equipment, net

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property and equipment, net

Property and equipment, net

Property and equipment, net consists of the following:

	December 31, 2016			December 31, 2015
Computers and computer equipment	$	276,263		$	177,240
Laboratory equipment	13,368			13,368
Manufacturing equipment	421,999			—
Website development costs	159,836			—
Capital in progress	7,863			251,893
Total property and equipment	879,329			442,501
Accumulated depreciation	(323,014		)	(60,064		)
Property and equipment, net	$	556,315		$	382,437

Capital in progress consists of assets acquired but not yet placed into service. At December 31, 2016 capital in progress consisted of computers and website development costs, and at December 31, 2015, capital in progress consisted primarily of manufacturing equipment.

Depreciation expense was $277,231, $49,881 and $11,997 for the years ended December 31, 2016 and December 31, 2015 and the period from February 26, 2014 (inception) to December 31, 2014, respectively.