Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash	$ 5,394,300	$ 5,337,800
Accounts receivable less $12,000 allowance for doubtful accounts	1,267,200	1,103,500
Inventory	405,400	486,400
Prepaid and other	160,000	103,300
Total current assets	7,226,900	7,031,000
Fixed assets
Leasehold improvements	58,400	58,400
Furniture, fixtures and equipment	165,500	164,400
Fixed assets, gross	223,900	222,800
Less: accumulated depreciation and amortization	176,100	167,800
Total fixed assets	47,800	55,000
Other assets
Long-term receivables	2,306,100	2,463,100
Operating lease right of use – building	55,900	68,300
Other assets	2,362,000	2,531,400
Total assets	9,636,700	9,617,400
Current liabilities
Accounts payable	72,100	97,700
Accrued expenses	201,200	173,700
Income taxes	297,600	287,100
Operating lease liability – current	51,500	50,700
Total current liabilities	622,400	609,200
Other liabilities
Accrued expenses, non-current	161,200	172,200
Operating lease liability – non-current	4,400	17,600
Total other liabilities	165,600	189,800
Stockholders' equity
Common stock, $0.01 par value Authorized – 75,000,000 shares Issued and outstanding – 9,251,168 shares	92,500	92,500
Paid-in capital	16,659,600	16,659,600
Accumulated deficit	(7,903,400)	(7,933,700)
Total stockholders' equity	8,848,700	8,818,400
Total liabilities and stockholders' equity	$ 9,636,700	$ 9,617,400