Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net loss	$ (3,007)	$ (3,423)
Reconciliation of net loss to net cash used in operating activities:
Depreciation	319	276
Amortization of license fee	100	100
Bad debt expense	6
Provision for write down of inventory	180	430
Stock-based compensation expense	351	501
Amortization of debt issuance costs	161	4
Changes in operating assets and liabilities:
Accounts receivable	(409)	(53)
Licensing and royalty income receivable	10	46
Inventories	(559)	(372)
Prepaid expenses and other current assets	55	(291)
Accounts payable and accrued expenses	424	(147)
Deferred income	(25)	(84)
Net cash used in operating activities	(2,394)	(3,013)
Cash flows from investing activities:
Capital expenditures	(350)	(158)
Deposit for capital lease		(37)
Net cash used in investing activities	(350)	(195)
Cash flows from financing activities:
Proceeds from note payable, related party	500
Sale of common stock, net of expenses		5,696
Proceeds from exercise of common stock options and warrant	74	12
Principal payments on capital lease obligation	(32)	(25)
Net cash provided by financing activities	542	7,200
Net increase (decrease) in cash and cash equivalents	(2,202)	3,992
Cash and cash equivalents at beginning of year	5,116	1,124
Cash and cash equivalents at end of year	2,914	5,116
Supplemental cash flow information:
Cash payments for interest	120	8
Cash receipt from taxes, net	(226)	(222)
Non cash transactions:
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends into Common Stock		7,136
Equipment financed through capital lease		122
Issuance of common stock warrant related to credit facility		723
Issuance of restricted stock	2	10
Forfeiture of restricted stock	(1)	(7)
Debt issuance costs accrued		74
Series C Preferred Stock [Member]
Cash flows from financing activities:
Sale of Series C Convertible Preferred Stock, net of expenses		$ 1,517