Property And Equipment (Tables)

6 Months Ended

Jun. 30, 2013

Property And Equipment [Abstract]

Schedule Of Property And Equipment

	June 30,	December 31,
	2013	2012
Equipment	$          8,704,778	$    8,762,041
Equipment held for lease	303,412	303,412
Leasehold improvements	2,328,381	2,328,381
	11,336,571	11,393,834
Less: Accumulated depreciation	(9,697,173)	(9,251,911)
Net property and equipment	$          1,639,398	$    2,141,923