Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues
Diagnostic services	$ 1,445,000	$ 1,252,000	$ 3,031,000	$ 2,496,000
Royalties	55,000	54,000	80,000	79,000
Total revenues	1,500,000	1,306,000	3,111,000	2,575,000
Operating expenses:
Cost of services	851,000	677,000	1,788,000	1,336,000
Research and development	177,000	342,000	360,000	792,000
Sales and marketing	695,000	679,000	1,336,000	1,552,000
General and administrative	1,251,000	1,569,000	2,624,000	3,143,000
Patent amortization and royalties	66,000	66,000	126,000	142,000
Total operating expenses	3,040,000	3,333,000	6,234,000	6,965,000
Operating loss	(1,540,000)	(2,027,000)	(3,123,000)	(4,390,000)
Other income (expense):
Interest income	1,000		1,000	1,000
Interest expense	(19,000)	(6,000)	(321,000)	(12,000)
Warrant derivative gains	1,437,000		3,274,000
Total other income (expense)	1,419,000	(6,000)	2,954,000	(11,000)
Net loss	(121,000)	(2,033,000)	(169,000)	(4,401,000)
Net loss attributable to common stockholders	(1,345,000)	(2,033,000)	(2,056,000)	(4,401,000)
Basic and diluted net income (loss) per share (in Dollars per share)	$ (0.03)	$ (1.90)	$ (0.06)	$ (4.11)
Basic and diluted net loss per share attributable to common stockholders (in Dollars per share)	$ (0.37)	$ (1.90)	$ (0.69)	$ (4.11)
Basic and diluted weighted average common shares outstanding (in Shares)	3,547,709	1,070,384	2,934,653	1,070,384
Deemed Dividend from Issuing Stock [Member] | Series C Convertible Preferred Stock [Member]
Other income (expense):
Dividends from convertible preferred stock	(1,213,000)		(1,213,000)
Deemed Dividend from Issuing Stock [Member] | Series B Convertible Preferred Stock [Member]
Other income (expense):
Dividends from convertible preferred stock			(417,000)
Series A Convertible Preferred Stock [Member]
Other income (expense):
Dividends from convertible preferred stock			(246,000)
Dividends from convertible preferred stock (in Dollars per share)			$ (0.08)
Series C Convertible Preferred Stock [Member]
Other income (expense):
Dividends from convertible preferred stock	$ (11,000)		$ (11,000)
Dividends from convertible preferred stock (in Dollars per share)	$ (0.34)		$ (0.41)
Series B Convertible Preferred Stock [Member]
Other income (expense):
Dividends from convertible preferred stock (in Dollars per share)			$ (0.14)