Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net loss	$ (2,745,000)	$ (2,468,000)
Reconciliation of net loss to net cash used in operating activities:
Depreciation	264,000	235,000
Amortization of license fee	75,000	75,000
Stock-based compensation expense	320,000	269,000
Provision for write down of inventory	74,000	135,000
Amortization of debt issuance costs	642,000	121,000
Loss on abandonment of property	13,000
Changes in operating assets and liabilities:
Accounts receivable	22,000	(559,000)
Inventories	(162,000)	(466,000)
Prepaid expenses and other assets	210,000	115,000
Accounts payable and accrued expenses	96,000	(105,000)
Deferred income	(10,000)	152,000
Net cash used in operating activities	(1,201,000)	(2,496,000)
Cash flows from investing activities:
Capital expenditures	(323,000)	(192,000)
Net cash used in investing activities	(323,000)	(192,000)
Cash flows from financing activities:
Proceeds from note payable	1,000,000
Payment of debt issuance costs	(114,000)
Payment on note payable, related party	(500,000)
Proceeds from note payable, related party		500,000
Principal payments on capital lease obligation	(36,000)	(23,000)
Proceeds from exercise of common stock options	26,000	74,000
Proceeds from exercise of warrants	9,000
Net cash provided by financing activities	385,000	551,000
Net decrease in cash and cash equivalents	(1,139,000)	(2,137,000)
Cash and cash equivalents at beginning of period	2,914,000	5,116,000
Cash and cash equivalents at end of period	1,775,000	2,979,000
Supplemental cash flow information:
Cash payments for interest	81,000	87,000
Cash payment for taxes	9,000	5,000
Non cash investing and financing transactions:
Equipment purchases financed through capital leases	30,000
Issuance of restricted stock		2,000
Forfeiture of restricted stock	$ 1,000	$ 1,000