SEGMENT INFORMATION

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

SEGMENT INFORMATION

10. SEGMENT INFORMATION

The Company operates in one reportable segment—the research, development and sale of medical devices to diagnose skin disease. The Company's chief operating decision maker reviews financial information for the Company as a whole for purposes of allocating resources and evaluating financial performance. Substantially all long-lived assets of the Company are in the United States. Sales for each significant geographical area are as follows:

	Three months Ended March 31,
	2013					2012
	Product Sales		Percent			Product Sales		Percent
	(in millions)					(in millions)
North America	$	0.4		39	%	$	0.1		39	%
Europe		0.4		37	%		0.2		61	%
Asia		0.3		24	%		—		—
Total	$	1.1		100	%	$	0.3		100	%