Condensed Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss	$ (346,000)	$ (296,000)
Adjustments to reconcile net loss to net cash provided by / (used in) operating activities:
Depreciation and amortization	41,000	42,000
Amortization of debt issuance costs	37,000	55,000
Allowance for doubtful accounts	0	0
Provision for slow moving and obsolete inventory	72,000	42,000
Share-based payment expense	2,000	3,000
Director fee paid with restricted stock	30,000	5,000
Refinance fee paid with restricted stock	21,000	0
Changes in:
Accounts receivable	20,000	59,000
Inventory	(32,000)	153,000
Prepaid expenses and other current assets	(112,000)	28,000
Accounts payable	(25,000)	196,000
Accrued expenses and other current liabilities	103,000	(6,000)
Wages payable	31,000	(137,000)
Net cash (used in) / provided by operating activities	(158,000)	144,000
Cash flows from financing activities:
Proceeds from debt financing	332,000	48,000
Payments on debt financing	(6,000)	(81,000)
Proceeds from Private Placement	164,000	0
Proceeds from lines of credit	2,352,000	1,902,000
Payments on lines of credit	(2,463,000)	(2,027,000)
Net cash provided by / (used in) financing activities	379,000	(158,000)
Net change in cash and cash equivalents	221,000	(14,000)
Cash and cash equivalents - beginning of period	4,000	113,000
Cash and cash equivalents - end of period	225,000	99,000
Supplemental disclosures of cash flow information:
Debt issuance cost paid with restricted stock	0	14,000
Loans converted to stock	39,000	0
Director fee paid with restricted stock	30,000	5,000
Cash paid during period for interest	73,000	79,000
Cash paid during period for taxes	$ 0	$ 2,000