Balance Sheets - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash	$ 798,000	$ 400,800
Accounts receivable less $5,000 allowance for doubtful accounts	834,500	579,000
Inventory	161,000	133,500
Prepaid and other	81,100	43,600
Total current assets	1,874,600	1,156,900
Fixed assets
Leasehold improvements	19,700	19,700
Furniture, fixtures and equipment	185,800	185,400
Fixed assets, gross	205,500	205,100
Less: accumulated depreciation and amortization	198,700	197,600
Total fixed assets	6,800	7,500
Other assets
Long-term receivables	1,070,700	1,352,200
Operating lease right of use - building	212,000
Other assets	1,282,700	1,352,200
Total assets	3,164,100	2,516,600
Current liabilities
Convertible debentures	97,900	128,300
Accounts payable	41,400	16,500
Accrued expenses	202,200	163,000
Income taxes	37,500	38,600
Operating lease liability, current	41,000
Total current liabilities	420,000	346,400
Other liabilities
Accrued expenses, non-current	75,000	94,700
Deferred income taxes	47,600	108,800
Operating lease liability, non-current	171,000
Total other liabilities	293,600	203,500
Stockholders' equity
Common stock, $0.01 par value Authorized - 75,000,000 shares Issued and outstanding - 2019 - 60,324, 698 shares; 2018 - 58,616,716 shares	603,300	586,200
Paid-in capital	12,465,600	12,440,000
Accumulated deficit	(10,618,400)	(11,059,500)
Total stockholders' equity	2,450,500	1,966,700
Total liabilities and stockholders' equity	$ 3,164,100	$ 2,516,600