Note 4 - Income Taxes - Income Tax Provision (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Current state tax expense	$ 64,809	$ 17,570
Current federal tax expense	320,931	3,000
Deferred state tax benefit	(19,340)	(14,000)
Deferred federal tax benefit	(26,452)	(73,000)
Income tax expense (benefit)	$ 339,948	$ (66,430)