Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Cash flows from operating activities:
Net loss	$ (660,000)		$ (1,323,000)
Reconciliation of net loss to net cash used in operating activities:
Depreciation	190,000		172,000
Amortization of license fee	50,000		50,000
Stock-based compensation expense	112,000		164,000
Provision for write down of inventory	22,000		61,000
Amortization of debt issuance costs	15,000		81,000
Loss on abandonment of property			11,000
Changes in operating assets and liabilities:
Accounts receivable	(1,025,000)		(371,000)
Inventories	(353,000)		(112,000)
Prepaid expenses and other assets	(56,000)		179,000
Accounts payable and accrued expenses	701,000		159,000
Deferred income	53,000		(2,000)
Net cash used in operating activities	(951,000)		(931,000)
Cash flows from investing activities:
Capital expenditures	(149,000)		(336,000)
Product acquisition costs	(1,426,000)
Net cash used in investing activities	(1,575,000)		(336,000)
Cash flows from financing activities:
Proceeds from note payable, bank	1,000,000
Principal payments on capital lease obligation	(8,000)		(22,000)
Proceeds from exercise of common stock options and warrants	364,000		26,000
Costs related to stock issuance	(53,000)
Net cash provided by financing activities	1,303,000		4,000
Net decrease in cash and cash equivalents	(1,223,000)		(1,263,000)
Cash and cash equivalents at beginning of period	2,536,000	[1]	2,914,000
Cash and cash equivalents at end of period	1,313,000		1,651,000
Supplemental cash flow information:
Cash payments for interest	55,000		64,000
Cash payment for taxes	8,000		9,000
Non cash investing and financing transactions:
Equipment purchases financed through capital leases			$ 30,000

[1] Derived from the audited December 31, 2012 financial statements