Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net loss	$ (345,000)	$ (333,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	91,000	91,000
Amortization of debt issuance costs	122,000	264,000
Provision for bad debts	(1,000)	3,000
Provision for slow moving and obsolete inventory	17,000	108,000
Share-based payment expense	61,000	34,000
Changes in:
Accounts receivable	116,000	139,000
Inventory	147,000	(132,000)
Prepaid expenses and other current assets	39,000	45,000
Accounts payable	(39,000)	(37,000)
Accrued expenses and other current liabilities	26,000	20,000
Wages payable	7,000	28,000
Net cash provided by operating activities	241,000	230,000
Cash flows from investing activities:
Purchase of property, plant and equipment	0	(13,000)
Patent application costs	(30,000)	(8,000)
Net cash used in investing activities	(30,000)	(21,000)
Cash flows from financing activities:
Proceeds from / (payments on) debt financing, net	(75,000)	(51,000)
Deferred finance costs	0	(150,000)
Proceeds from lines of credit	6,018,000	6,600,000
Payments on lines of credit	(6,156,000)	(6,802,000)
Net cash used in financing activities	(213,000)	(403,000)
Net (decrease) / increase in cash and cash equivalents	(2,000)	(194,000)
Cash and cash equivalents - beginning of period	158,000	352,000
Cash and cash equivalents - end of period	156,000	158,000
Supplemental disclosures of cash flow information:
Consulting expense paid with restricted stock	98,000	50,000
Common shares issued in connection with debt financings	96,000	240,000
Related Party note payable paid with restricted stock	154,000	0
Settlement of debt	0	1,026,000
Cash paid during the year for interest	162,000	206,000
Cash paid for taxes	$ 4,000	$ 0