3. Property and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property and equipment

	December 31,
	2013			2012
Laboratory and manufacturing equipment	$	226,081		$	172,560
Office equipment		142,323			137,093
Leasehold improvements		8,117			8,117
PCT collaboration, demonstration and leased systems		461,858			461,858
Total property and equipment		838,379			779,628
Less accumulated depreciation		(780,277	)		(749,346	)
Net book value	$	58,102		$	30,282