Balance Sheets (unaudited) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash	$ 2,136,600	$ 1,362,800
Accounts receivable less $12,000 allowance for doubtful accounts	668,400	1,280,800
Inventory	480,400	324,800
Prepaid and other	130,700	97,800
Total current assets	3,416,100	3,066,200
Fixed assets
Leasehold improvements	58,400	27,800
Furniture, fixtures and equipment	164,100	163,700
Fixed assets, gross	222,500	191,500
Less: accumulated depreciation and amortization	125,300	104,300
Total fixed assets	97,200	87,200
Other assets
Long-term receivables	278,100	559,500
Operating lease right of use - building	127,200	160,300
Other assets	405,300	719,800
Total assets	3,918,600	3,873,200
Current liabilities
Accounts payable	14,200	5,700
Accrued expenses	143,400	178,600
Income taxes		36,300
Operating lease liability, current	46,700	44,500
Total current liabilities	204,300	265,100
Other liabilities
Accrued expenses, non-current	19,500	39,200
Operating lease liability, non-current	80,500	115,800
Total other liabilities	100,000	155,000
Stockholders' equity
Common stock, $0.01 par value Authorized – 75,000,000 shares Issued and outstanding 2021 – 67,495,055; 2020 – 67,353,690 shares	675,000	673,500
Paid-in capital	12,577,100	12,575,800
Accumulated deficit	(9,637,800)	(9,796,200)
Total stockholders' equity	3,614,300	3,453,100
Total liabilities and stockholders' equity	$ 3,918,600	$ 3,873,200