Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property and equipment estimated useful lives

Fixed assets consist of the following at December 31:

	2013		2012
	(in thousands)
Furniture and fixtures	$	40	$	47
Laboratory equipment		508		508
Computer and communications equipment		261		261
Design and tooling		1,204		1,204
		2,013		2,020
Less accumulated depreciation and amortization		(2,008)		(1,941)
Total	$	5	$	79