3. Property and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property and equipment

	December 31,
	2014			2013
Laboratory and manufacturing equipment	$	226,081		$	226,081
Office equipment		149,459			142,323
Leasehold improvements		8,117			8,117
PCT collaboration, demonstration and leased systems		461,858			461,858
Total property and equipment		845,515			838,379
Less accumulated depreciation		(809,490	)		(780,277	)
Net book value	$	36,025		$	58,102