Condensed Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net loss	$ (801,000)	$ (346,000)
Adjustments to reconcile net loss to net cash (used in) operating activities:
Depreciation and amortization	36,000	41,000
Amortization of debt issuance costs	0	37,000
Penalty added to Cherokee loan balance	120,000	0
Allowance for doubtful accounts	(17,000)	0
Provision for slow moving and obsolete inventory	42,000	72,000
Share-based payment expense	0	2,000
Director fee paid with restricted stock	0	30,000
Refinance fee paid with restricted stock	0	21,000
Changes in:
Accounts receivable	37,000	20,000
Inventory	19,000	(32,000)
Prepaid expenses and other current assets	97,000	(112,000)
Accounts payable	16,000	(25,000)
Accrued expenses and other current liabilities	(150,000)	103,000
Wages payable	(15,000)	31,000
Net cash (used in) operating activities	(616,000)	(158,000)
Cash flows from financing activities:
Proceeds from debt financing	0	332,000
Payments on debt financing	(25,000)	(6,000)
Proceeds from Private Placement	0	164,000
Proceeds from Lincoln Park financing	564,000	0
Proceeds from lines of credit	1,143,000	2,352,000
Payments on lines of credit	(1,134,000)	(2,463,000)
Net cash provided by financing activities	548,000	379,000
Net change in cash and cash equivalents	(68,000)	221,000
Cash and cash equivalents - beginning of period	98,000	4,000
Cash and cash equivalents - end of period	30,000	225,000
Non-Cash transactions:
Loans converted to stock	0	39,000
Director fees paid with restricted stock	0	30,000
Cash paid during period for interest	90,000	73,000
Cash paid during period for taxes	$ 2,000	$ 0