Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011		Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 10,362		$ 13,193
Trade accounts receivable, net	63		52
Receivable from sale of licensing rights	32		27
Inventories, net	2,780		3,419
Prepaid expenses and other current assets	682		350
Total current assets	13,919		17,041
Property, plant and equipment, net	2,404		2,169
Intangible assets, net of accumulated amortization	587		627
Receivable from sale of licensing rights, less current maturities	55		80
MSA escrow funds	368		368
Total assets	17,333		20,285
Current liabilities:
Current maturities of long-term debt	2,518		2,518
Accounts payable, trade	2,295		1,585
Accrued expenses	669		424
Due to stockholders	50		50
Total current liabilities	5,532		4,577
Long-term debt, less current maturities	3,160		5,049
Total liabilities	8,692		9,626
Commitments and contingencies (note 6)
Stockholders' equity:
Common stock(A)	14	[1]	13	[1]
Additional paid-in capital	196,964		181,336
Accumulated deficit	(188,337)		(170,690)
Total stockholders' equity	8,641		10,659
Total liabilities and stockholders' equity	$ 17,333		$ 20,285

[1] $0.0001 par value per share, 187,500,000 shares authorized, 135,055,505 and 127,119,323 shares issued and outstanding as of September 30, 2011 and December 31, 2010, respectively.