Composition of Certain Balance Sheet Items (Tables)

6 Months Ended

Jun. 30, 2013

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of Property and Equipment

Property and equipment consisted of the following at (in thousands):

	June 30,			December 31,
	2013			2012
Machinery and equipment	$	5,633		$	5,449
Leasehold improvements		1,920			1,651
Purchased computer software		85			85
		7,638			7,185
Less: accumulated depreciation and amortization		(3,909	)		(3,743	)
	$	3,729		$	3,442

Schedule of Other Current Liabilities

Other current liabilities consisted of the following at (in thousands):

	June 30,		December 31,
	2013		2012
Payroll and related expenses	$	1,185	$	1,592
Professional services		591		27
Other		530		51
	$	2,306	$	1,670