Balance Sheets - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Current assets
Cash	$ 1,052,700	$ 688,000
Accounts receivable less $5,000 allowance for doubtful accounts	1,141,500	1,352,300
Inventory	277,500	127,900
Prepaid and other	95,100	135,000
Total current assets	2,566,800	2,303,200
Fixed assets
Leasehold improvements	27,800	24,200
Furniture, fixtures and equipment	279,400	252,500
Fixed assets, gross	307,200	276,700
Less: accumulated depreciation and amortization	215,200	206,600
Total fixed assets	92,000	70,100
Other assets
Long-term receivable	766,000	957,000
Operating lease right of use - building	181,500	202,000
Other assets	947,500	1,159,000
Total assets	3,606,300	3,532,300
Current liabilities
Convertible debentures	97,900	97,900
Accounts payable	87,800	44,300
Accrued expenses	214,800	231,600
Income taxes	57,600	52,400
Operating lease liability - current	43,100	41,700
Total current liabilities	501,200	467,900
Other liabilities
Accrued expenses, non-current	53,600	67,000
Deferred income taxes		47,400
Operating lease liability - non-current	138,400	160,300
Total other liabilities	192,000	274,700
Stockholders' equity
Common stock, $0.01 par value Authorized - 75,000,000 shares, Issued and outstanding - 61,044,698 shares	610,400	610,400
Paid-in capital	12,483,900	12,483,900
Accumulated deficit	(10,181,200)	(10,304,600)
Total stockholders' equity	2,913,100	2,789,700
Total liabilities and stockholders' equity	$ 3,606,300	$ 3,532,300