Fixed Assets

12 Months Ended

Dec. 31, 2013

Assets [Abstract]

Fixed Assets

Note 6—Fixed Assets

The useful lives and balances of fixed assets at December 31, 2013 and 2012 consisted of the following:

	Useful Life	2013		2012
Computer software, computer equipment and office      equipment	3 years	$	272,659	$	314,717
Laboratory equipment	5 years		1,452,669		1,225,770
Furniture and fixtures	5 years		40,349		40,349
Leasehold improvements	5 years		309,618		303,258
Website development	3 years		270,678		270,678
Projects in Progress			525,988		––
Equipment under capital leases	3 to 5 years		—		22,920
			2,871,961		2,177,692
Less — Accumulated depreciation and amortization			(2,027,355)		(2,050,746)
Total		$	844,606	$	126,946

Depreciation and amortization expense was $120,033 and $167,065, for the years ended December 31, 2013 and 2012, respectively. Fully depreciated assets of $143,000 were retired at December 31, 2013.