Selected Balance Sheet Information

6 Months Ended

Jun. 30, 2012

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

4.   Selected Balance Sheet Information

Accounts receivable consisted of the following at June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012			December 31, 2011
Accounts receivable	$	699		$	692
Bad debt allowance - customer		(454	)		(287	)
Accounts receivable, net	$	245		$	405

Property and Equipment consisted of the following at June 30, 2012, and December 31, 2011 (in thousands) :

	June 30, 2012			December 31, 2011
Manufacturing equipment	$	335		$	400
Computer and office equipment		25			159
Laboratory equipment		133			136
Total		493			695
Less accumulated depreciation		(239	)		(372	)
Property and equipment, net	$	254		$	323

Depreciation expense for the six months ended June 30, 2012 and 2011 was approximately $39,000 and $101,000, respectively.