Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash	$ 1,908,400	$ 1,362,800
Accounts receivable less $12,000 allowance for doubtful accounts	969,100	1,280,800
Inventory	486,500	324,800
Prepaid and other	29,400	97,800
Total current assets	3,393,400	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	116,400	104,300
Total fixed assets	106,100	87,200
Other assets
Long-term receivable	371,500	559,500
Operating lease right of use – building	138,400	160,300
Other assets	509,900	719,800
Total assets	4,009,400	3,873,200
Current liabilities
Accounts payable	67,000	5,700
Accrued expenses	154,600	178,600
Income taxes	10,200	36,300
Operating lease liability – current	46,000	44,500
Total current liabilities	277,800	265,100
Other liabilities
Accrued expenses – non-current	26,000	39,200
Operating lease liability – non-current	92,400	115,800
Total other liabilities	118,400	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	(9,638,900)	(9,796,200)
Total stockholders' equity	3,613,200	3,453,100
Total liabilities and stockholders' equity	$ 4,009,400	$ 3,873,200