Condensed Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Cash and Cash Equivalents	$ 2,086,408	$ 1,764,090
Certificates of Deposit	2,693,985	100,000
Marketable Securities		284,329
Accounts Receivable	68,506	38,919
Inventories	249,186	272,208
Prepaid Expense and other assets	160,282	148,637
Total Current Assets	5,258,367	2,608,183
Fixed Assets, net	112,709	101,496
Intangibles, net	95,172	97,867
Total Assets	5,466,248	2,807,546
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts Payable	79,264	220,112
Accrued Expenses	1,202,939	1,346,105
Deferred Revenue	14,407	7,998
Total Current Liabilities	1,296,610	1,574,215
Accrued Expenses	186,922	309,649
Total Liabilities	1,483,532	1,883,864
Commitments and Contingencies
Common Stock, $.01 par value, 24,000,000 authorized, 6,489,428 and 4,564,428 outstanding	64,894	45,644
Additional paid-in capital	(52,277,328)	(47,894,196)
Accumulated Deficit	48,360,298	47,018,451
Accumulated Other Comprehensive Income		1,501
Total Stockholders' Equity	3,982,716	923,682
Total Liabilities and Stockholders' Equity	5,466,248	2,807,546
Series B Convertible Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' EQUITY
Series B Convertible Preferred Stock, $.01 par value, 20,000,000 authorized, 79,246 and 79,246 outstanding	$ 792	$ 792