Balance Sheets - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash	$ 346,400	$ 360,400
Accounts receivable less $5,000 allowance for doubtful accounts	382,600	292,100
Inventory	108,600	110,600
Prepaid and other	50,200	35,300
Total current assets	887,800	798,400
Fixed assets
Leasehold improvements	19,700	19,700
Furniture, fixtures and equipment	184,900	184,900
Fixed assets, gross	204,600	204,600
Less: accumulated depreciation and amortization	192,300	190,500
Total fixed assets	12,300	14,100
Total assets	900,100	812,500
Current liabilities
Convertible debentures	128,300	128,300
Accounts payable	49,200	4,900
Accrued expenses	315,500	364,700
Deferred revenue		99,400
Total current liabilities	493,000	597,300
Stockholders' equity
Common stock, $0.01 par value Authorized - 75,000,000 shares Issued and outstanding 2017 - 58,616,716 shares	586,200	586,200
Paid-in capital	12,440,000	12,440,000
Accumulated deficit	(12,619,100)	(12,811,000)
Total stockholders' equity	407,100	215,200
Total liabilities and stockholders' equity	$ 900,100	$ 812,500