Property and Equipment and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment and intangible assets consist of the following:

	December 31, 2012		June 30, 2013
			(Unaudited)
Laboratory equipment	$	3,315,812	$	3,641,230
Furniture and equipment		660,626		698,488
Leasehold improvements		305,059		330,536
		4,281,497		4,670,254
Less: Accumulated depreciation		(3,258,299)		(3,488,784)
Total property and equipment, net	$	1,023,198	$	1,181,470
Purchased software	$	562,699	$	616,045
Internally developed software		108,362		108,362
		671,061		724,407
Less: Accumulated amortization		(95,652)		(152,021)
Total intangible assets, net	$	575,409	$	572,386

Schedule of Capital Leased Assets

The Company leases certain equipment that is recorded as capital leases. This equipment is included in property and equipment on the accompanying balance sheet as of June 30, 2013, as follows:

	(Unaudited)
Equipment purchased under capital leases	$	690,384
Less: Accumulated amortization		(304,519)
Equipment purchased under capital leases, net	$	385,865

Schedule of Future Minimum Lease Payments Under Capital Leases

Future minimum lease payments under capital leases as of June 30, 2013, are as follows:

Years ending December 31,	(Unaudited)
2013	$	136,389
2014		188,428
2015		101,309
2016		50,654
Total minimum lease payments		476,780
Less amount representing interest		(84,122)
Less current portion		(208,503)
Capital lease obligation, net of current portion	$	184,155