Selected Balance Sheet Information

3 Months Ended

Mar. 31, 2012

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

5. Selected Balance Sheet Information

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

	March 31, 2012			December 31, 2011
Accounts receivable	$	736		$	692
Bad debt allowance - customer		(296	)		(287	)
Accounts receivable, net	$	440		$	405

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

	March 31, 2012			December 31, 2011
Manufacturing equipment	$	400		$	400
Computer and office equipment		159			159
Laboratory equipment		136			136
Total		695			695
Less accumulated depreciation		(392	)		(372	)
Property and equipment, net	$	303		$	323

Depreciation expense for the three months ended March 31, 2012 and 2011 was $20,000 and $80,000, respectively.