Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net loss	$ (333,000)	$ (490,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	91,000	111,000
Loss on disposal of fixed assets	0	41,000
Amortization of debt issuance costs	264,000	251,000
Provision for bad debts	3,000	(11,000)
Provision for slow moving and obsolete inventory	108,000	45,000
Share-based payment expense	34,000	139,000
Changes in:
Accounts receivable	139,000	50,000
Inventory	(132,000)	334,000
Prepaid expenses and other current assets	45,000	(13,000)
Accounts payable	(37,000)	(187,000)
Accrued expenses and other current liabilities	20,000	(203,000)
Wages payable	28,000	31,000
Net cash provided by operating activities	230,000	98,000
Cash flows from investing activities:
Proceeds from sale of equipment	0	10,000
Purchase of property, plant and equipment	(13,000)	(51,000)
Patent application costs	(8,000)	(24,000)
Net cash used in investing activities	(21,000)	(65,000)
Cash flows from financing activities:
Proceeds from / (payments on) debt financing	(51,000)	(215,000)
Deferred finance costs	(150,000)	(7,000)
Proceeds from lines of credit	6,600,000	6,509,000
Payments on lines of credit	(6,802,000)	(6,614,000)
Net cash provided by / (used in) financing activities	(403,000)	(327,000)
Net (decrease) / increase in cash and cash equivalents	(194,000)	(294,000)
Cash and cash equivalents - beginning of period	352,000	646,000
Cash and cash equivalents - end of period	158,000	352,000
Supplemental disclosures of cash flow information:
Common shares issued in connection with debt financings	290,000	0
Settlement of debt	1,026,000	0
Cash paid during the year for interest	206,000	241,000
Cash paid for taxes	$ 0	$ 0