Note O - Commitments and Other (Details Textual)		12 Months Ended
	Jan. 01, 2005	Dec. 31, 2016 USD ($) ft² shares	Dec. 31, 2015 USD ($)
Area of Office Space | ft²		7,625
Operating Leases, Rent Expense, Minimum Rentals		$ 12,522
Operating Leases, Rent Expense		133,657	$ 121,866
Payments for Postemployment Benefits		$ 203,111
Define Benefit Plan, Payment Period		5 years
Pension Expense		$ 203,111	236,963
Additional Percentage of Director Compensation on Sales Value Using Certain Specify Technology	2.50%
Additional Percentage of Director Compensation Sales Value Using Other Kind of Technology	5.00%
Lease Expiration Date		Jan. 31, 2020
Director of Clinical Affairs [Member]
Stock Issued During Period, Shares, Stock Options Exercised, Attributable to Consultants | shares		8,333
Royalty Expense		$ 526,737	442,763
Professional Fees		$ 275,000	$ 185,751