Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 2,188	$ 2,914
Accounts receivable, less allowance for doubtful accounts of $16 for 2012 and 2011	1,567	1,197
Inventories	1,199	1,195
Other receivables	9	250
Prepaid expenses	252	130
Total current assets	5,215	5,686
Property, plant and equipment, net	2,886	2,800
Restricted cash, long term	54	54
License fee, net	375	400
Debt issuance costs, net	599	639
Other	175	57
Total assets	9,304	9,636
Current liabilities:
Accounts payable	833	629
Accrued expenses	503	611
Deferred income, current	236	38
Capital lease obligation, current	46	38
Total current liabilities	1,618	1,316
Note payable, related party	500	500
Deferred income, long term	23	25
Capital lease obligation, long term	47	30
Total liabilities	2,188	1,871
Total stockholders’ equity	7,116	7,765
Total liabilities and stockholders' equity	9,304	9,636
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
Common stock	415	415
Additional paid-in capital	46,332	46,246
Accumulated deficit	(40,253)	(39,518)
Less treasury stock, 1,965,740 common shares, at cost	$ (1,395)	$ (1,395)