Condensed Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net loss	$ (424,000)	$ (206,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	29,000	30,000
Amortization of debt issuance costs	47,000	12,000
Provision for bad debts	(1,000)	0
Provision for slow moving and obsolete inventory	43,000	24,000
Share-based payment expense	36,000	6,000
Changes in:
Accounts receivable	(96,000)	(57,000)
Inventory	50,000	(98,000)
Prepaid expenses and other current assets	(109,000)	(35,000)
Accounts payable	(318,000)	244,000
Accrued expenses and other current liabilities	17,000	(35,000)
Wages payable	(17,000)	(41,000)
Other liabilities	0	1,000
Net cash used in operating activities	(743,000)	(155,000)
Cash flows from investing activities:
Purchase of property, plant and equipment	(11,000)	(1,000)
Patent application costs	0	(20,000)
Net cash used in investing activities	(11,000)	(21,000)
Cash flows from financing activities:
Payments on debt financing	(56,000)	(32,000)
Debt issuance costs	(136,000)	0
Proceeds from issuance of common stock	3,000	0
Proceeds from lines of credit	3,245,000	2,527,000
Payments on lines of credit	(2,390,000)	(2,406,000)
Net cash provided by financing activities	666,000	89,000
Net increase / (decrease) in cash and cash equivalents	(88,000)	(87,000)
Cash and cash equivalents - beginning of period	89,000	93,000
Cash and cash equivalents - end of period	1,000	6,000
Supplemental disclosures of cash flow information
Cash paid during period for interest	$ 48,000	$ 65,000