Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 2,914	$ 5,116
Accounts receivable, less allowance for doubtful accounts of $16 in 2011 and $10 in 2010	1,197	794
Licensing and royalty income receivable	11	21
Inventories	1,195	816
Other receivables	239	234
Prepaid expenses	130	190
Total current assets	5,686	7,171
Property, plant and equipment, net	2,800	2,769
Restricted cash, long term	54	54
License fee, net	400	500
Debt issuance costs, net	639	800
Other	57	57
Total assets	9,636	11,351
Current liabilities:
Accounts payable	629	341
Accrued expenses	611	476
Deferred income, current	38	58
Capital lease obligation, current	38	32
Total current liabilities	1,316	907
Note payable, related party	500
Deferred income, long term	25	29
Capital lease obligation, long term	30	68
Total liabilities	1,871	1,004
Common stock	415	413
Additional paid-in capital	46,246	45,823
Accumulated deficit	(39,518)	(36,511)
Less treasury stock, 1,965,740 common shares at cost	(1,395)	(1,395)
Total stockholders’ equity	7,765	10,347
Total liabilities and stockholders' equity	9,636	11,351
Series A Preferred Stock [Member]
Current liabilities:
Convertible Preferred Stock	500	500
Series C Preferred Stock [Member]
Current liabilities:
Convertible Preferred Stock	$ 1,517	$ 1,517