Note 5 - Valuation Accounts - Valuation and Allowance Accounts (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Balance Beginning of Year	$ 248,868
Balance End of Year	172,832	$ 248,868
Allowance for Doubtful Accounts [Member]
Balance Beginning of Year	35,033	45,663
Net Charged to Costs and Expenses
Transfers
Net Write-Off	(8,477)	(10,630)
Balance End of Year	26,556	35,033
Legal Reserve [Member]
Balance Beginning of Year	248,868	272,365
Net Charged to Costs and Expenses
Transfers
Net Write-Off	(76,036)	(23,497)
Balance End of Year	$ 172,832	$ 248,868