Condensed Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (252,000)	$ (130,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	64,000	69,000
Amortization of debt issuance costs	94,000	90,000
Provision for bad debts	2,000	0
Provision for slow moving and obsolete inventory	2,000	63,000
Share-based payment expense	33,000	49,000
Changes in:
Accounts receivable	32,000	(49,000)
Inventory	116,000	127,000
Prepaid expenses and other current assets	96,000	21,000
Accounts payable	2,000	(38,000)
Accrued expenses and other current liabilities	11,000	(6,000)
Wages payable	(42,000)	(11,000)
Net cash provided by operating activities	158,000	185,000
Cash flows from investing activities:
Patent application costs	(20,000)	(6,000)
Purchase of property, plant & equipment	(44,000)	0
Net cash used in investing activities	(64,000)	(6,000)
Cash flows from financing activities:
Proceeds (payments) on debt financing	(41,000)	(75,000)
Proceeds from lines of credit	4,729,000	4,609,000
Payments on lines of credit	(4,788,000)	(4,650,000)
Net cash used in financing activities	(100,000)	(116,000)
Net (decrease in) / increase in cash and cash equivalents	(6,000)	63,000
Cash and cash equivalents - beginning of period	156,000	158,000
Cash and cash equivalents - end of period	150,000	221,000
Supplemental disclosures of cash flow information
Cash paid during period for interest	110,000	119,000
Cash paid / (received) during period for taxes	(1,000)	2,000
Consulting expense prepaid with restricted stock	50,000	49,000
Debt issuance cost paid with restricted stock	0	96,000
Related party note payable paid with restricted stock	$ 0	$ 154,000