Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (2,468)	$ (2,902)
Reconciliation of net loss to net cash used in operating activities:
Depreciation	235	198
Amortization of license fee	75	75
Stock-based compensation expense	269	450
Provision for write down of inventory	135
Amortization of debt issuance costs	121
Accounts receivable	(553)	87
Licensing and royalty income receivable	(6)	38
Inventories	(466)	(12)
Prepaid expenses and other current assets	115	(125)
Accounts payable and accrued expenses	(105)	(22)
Deferred income	152	(54)
Net cash used in operating activities	(2,496)	(2,267)
Cash flows from investing activities:
Capital expenditures	(192)	(138)
Deposits for capital expenditures		(37)
Net cash used in investing activities	(192)	(175)
Cash flows from financing activities:
Proceeds from note payable, related party	500
Sale of Series C Convertible preferred stock, net of expenses		1,517
Principal payments on capital lease obligation	(23)	(15)
Proceeds from exercise of common stock options	74	8
Net cash provided by financing activities	551	1,510
Net decrease in cash and cash equivalents	(2,137)	(932)
Cash and cash equivalents at beginning of period	5,116	1,124
Cash and cash equivalents at end of period	2,979	192
Supplemental cash flow information:
Cash payments for interest	87	5
Cash payment for taxes	5
Non cash investing and financing transactions:
Equipment purchases financed through capital leases		122
Issuance of restricted stock	2	10
Forfeiture of restricted stock	1	(7)
Conversion of Series B-1 Convertible Preferred Stock into Common Stock		$ 7,136