Property and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

4.

Property and Equipment

Property and equipment are recorded at cost and depreciated using the straight-line method over estimated useful lives ranging generally from five to seven years. Expenditures for maintenance and repairs are charged to expense as incurred. 

Property and equipment consisted of the following at:

	December 31,
	2016			2015
Lab equipment	$	587,366		$	541,065
Computers		38,903			40,545
Furniture and fixtures		55,883			55,883
Total		682,152			637,493
Accumulated depreciation		(322,560	)		(191,760	)
Property and equipment, net	$	359,592		$	445,733

Depreciation expense totaled $132,077 and $115,307 for the years ended December 31, 2016 and 2015, respectively.