Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net loss	$ (788,000)	$ (1,111,000)
Adjustments to reconcile net loss to net cash provided by / (used in) operating activities:
Depreciation	116,000	123,000
Amortization of debt issuance costs	267,000	47,000
Provision for bad debts	(4,000)	(6,000)
Provision for slow moving and obsolete inventory	138,000	454,000
Share-based payment expense	257,000	104,000
Changes in:
Accounts receivable	(63,000)	79,000
Inventory	363,000	214,000
Prepaid expenses and other current assets	(21,000)	11,000
Other assets	0	15,000
Accounts payable	(420,000)	386,000
Accrued expenses and other current liabilities	162,000	(38,000)
Unearned grant	0	(10,000)
Wages payable	2,000	(34,000)
Other liabilities	0	2,000
Net cash provided by operating activities	9,000	236,000
Cash flows from investing activities:
Purchase of property, plant and equipment	(14,000)	(11,000)
Patent application costs	(20,000)	(23,000)
Net cash provided by / (used in) investing activities	(34,000)	(34,000)
Cash flows from financing activities:
Proceeds from lines of credit	10,142,000	10,185,000
Payments on lines of credit	(9,220,000)	(10,261,000)
Debt issuance costs	(161,000)	(50,000)
Proceeds from bridge loan	50,000	150,000
Payments on debt financing	(229,000)	(230,000)
Net cash provided by / (used in) financing activities	582,000	(206,000)
Net (decrease) / increase in cash and cash equivalents	557,000	(4,000)
Cash and cash equivalents - beginning of period	89,000	93,000
Cash and cash equivalents - end of period	646,000	89,000
Supplemental disclosures of cash flow information:
Cash paid during the year for interest	$ 456,000	$ 201,000