Balance Sheets - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash	$ 286,300	$ 360,400
Accounts receivable less $5,000 allowance for doubtful accounts	600,100	292,100
Inventory	130,700	110,600
Prepaid and other	43,300	35,300
Total current assets	1,060,400	798,400
Fixed assets
Leasehold improvements	19,700	19,700
Furniture, fixtures and equipment	185,400	184,900
Fixed assets, gross	205,100	204,600
Less: accumulated depreciation and amortization	195,800	190,500
Total fixed assets	9,300	14,100
Other assets
Long-term receivable	1,423,800
Total assets	2,493,500	812,500
Current liabilities
Convertible debentures	128,300	128,300
Accounts payable	23,300	4,900
Accrued expenses	187,300	364,700
Income taxes	93,300
Deferred revenue		99,400
Total current liabilities	432,200	597,300
Other liabilities
Accrued expenses, non-current	99,600
Deferred income taxes	106,000
Total other liabilities	205,600
Stockholders' equity
Common stock, $0.01 par value Authorized - 75,000,000 shares Issued and outstanding - 58,616,716 shares	586,200	586,200
Paid-in capital	12,440,000	12,440,000
Accumulated deficit	(11,170,500)	(12,811,000)
Total stockholders' equity	1,855,700	215,200
Total liabilities and stockholders' equity	$ 2,493,500	$ 812,500