Statements of Cash Flows (unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities
Net income (loss)	$ 109,400	$ (500,400)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation and amortization	18,200	17,000
Other assets	338,500	208,400
Other liabilities	(46,800)	(36,400)
Net income adjusted for non-cash operating activities	419,300	(311,400)
(Increase) decrease in assets
Accounts receivable	(242,100)	(108,200)
Inventory	118,300	(31,900)
Prepaid and other	(4,600)	100,500
Increase (decrease) in liabilities
Accounts payable and accrued expenses	(14,800)	97,700
Taxes on income	(138,800)
Total increase in operating capital	(282,000)	58,100
Net cash provided by (used in) operating activities	137,300	(253,300)
Investing Activities
Additions to fixed assets	(11,900)	0
Net cash used in investing activities	(11,900)	0
Increase (decrease) in cash	125,400	(253,300)
Cash at beginning of year	5,337,800	1,846,700
Cash at end of period	$ 5,463,200	$ 1,593,400