Property and Equipment and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consists of the following:

	December 31,		December 31,
	2013		2014
Laboratory equipment	$	4,468,055	$	4,543,019
Furniture and equipment		736,886		762,466
Leasehold improvements		487,843		496,523
		5,692,784		5,802,008
Less: Accumulated depreciation		(3,758,202)		(4,395,603)
Total property and equipment, net	$	1,934,582	$	1,406,405
Purchased software	$	749,587	$	803,719
Internally developed software		213,361		213,361
Trademarks		33,000		33,000
		995,948		1,050,080
Less: Accumulated amortization		(228,725)		(418,931)
Total intangible assets, net	$	767,223	$	631,149

Schedule of Capital Leased Assets

The Company leases certain equipment and related software that is recorded as capital leases. This equipment and software is included in property and equipment on the accompanying balance sheet as of December 31, 2013 and 2014 as follows:

	2013		2014
Equipment and software financed under capital leases	$	584,150	$	655,467
Less: Accumulated amortization		(320,769)		(472,679)
Equipment and software financed under capital leases, net	$	263,381	$	182,788

Schedule of Future Minimum Lease Payments Under Capital Leases

Future minimum lease payments under capital leases as of December 31, 2014 are as follows:

Years ending December 31,
2015	$	129,154
2016		68,792
2017		16,364
2018		16,364
Thereafter		9,546
Total minimum lease payments		240,220
Less amount represented by interest		(35,797)
Less current portion		(100,951)
Capital lease obligation, net of current portion	$	103,472