Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 11,209,400	$ 10,839,700
Accounts receivable less $12,000 allowance for credit losses	1,179,300	1,234,500
Inventory, net of allowance of $81,000 and $85,400	323,800	349,600
Prepaid and other	94,100	155,700
Total current assets	12,806,600	12,579,500
Fixed assets
Leasehold improvements	81,500	81,500
Furniture, fixtures and equipment	179,700	179,700
Fixed assets, gross	261,200	261,200
Less: accumulated depreciation and amortization	246,200	244,500
Total fixed assets	15,000	16,700
Other assets
Long-term receivables	1,196,800	1,292,800
Operating lease right of use – building	13,100	32,400
Total other assets	1,209,900	1,325,200
Total assets	14,031,500	13,921,400
Current liabilities
Accounts payable	62,900	20,900
Accrued expenses	155,000	108,300
Stock compensation payable	48,400	26,800
Operating lease liability – current	14,200	35,200
Total current liabilities	280,500	191,200
Long-term liabilities
Accrued expenses, non-current	83,700	90,400
Total liabilities	364,200	281,600
Stockholders' equity
Common stock, $0.01 par value       Authorized – 75,000,000 shares       Issued and outstanding – March 31, 2025-10,792,913 shares, December 31, 2024-10,501,178 shares	107,900	107,900
Paid-in capital	25,582,400	25,580,400
Accumulated deficit	(12,023,000)	(12,048,500)
Total stockholders' equity	13,667,300	13,639,800
Total liabilities and stockholders' equity	$ 14,031,500	$ 13,921,400