Note 5 - Commitments and Contingencies (Details Textual) - USD ($)	1 Months Ended	9 Months Ended
	Feb. 28, 2002	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Royalty Expense		$ 0
Operating Leases, Rent Expense		139,000	$ 139,000
Royalty Payment, Percentage of Net Sales	2.50%
Security Deposit		14,000
Letters of Credit Outstanding, Amount		14,000		$ 38,000
Loans Pledged as Collateral		$ 14,000		$ 39,000