Condensed Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income / (loss)	$ 9,000	$ (424,000)
Adjustments to reconcile net income / (loss) to net cash provided by / (used in) operating activities:
Depreciation	28,000	29,000
Amortization of debt issuance costs	74,000	47,000
Provision for bad debts	(6,000)	(1,000)
Provision for slow moving and obsolete inventory	0	43,000
Share-based payment expense	8,000	39,000
Changes in:
Accounts receivable	(28,000)	(96,000)
Inventory	105,000	50,000
Prepaid expenses and other current assets	(2,000)	(109,000)
Accounts payable	36,000	(318,000)
Accrued expenses and other current liabilities	(60,000)	17,000
Wages payable	22,000	(17,000)
Other liabilities	1,000	0
Net cash provided by / (used in) operating activities	187,000	(740,000)
Cash flows from investing activities:
Purchase of property, plant and equipment	0	(11,000)
Patent application costs	(1,000)	0
Net cash used in investing activities	(1,000)	(11,000)
Cash flows from financing activities:
Payments on debt financing	(112,000)	(56,000)
Debt issuance costs	0	(136,000)
Proceeds from lines of credit	1,883,000	3,245,000
Payments on lines of credit	(2,082,000)	(2,390,000)
Net cash (used in) / provided by financing activities	(311,000)	663,000
Net decrease in cash and cash equivalents	(125,000)	(88,000)
Cash and cash equivalents - beginning of period	646,000	89,000
Cash and cash equivalents - end of period	521,000	1,000
Supplemental disclosures of cash flow information
Cash paid during period for interest	$ 46,000	$ 48,000