Note 10 - Income Taxes (Details Textual) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Retained Earnings (Accumulated Deficit)	$ 57,347,282	$ 53,258,126
Allocation of Income to Bad Debt Deductions for Tax Purposes Only [Member]
Retained Earnings (Accumulated Deficit)	5,075,000	5,075,000
Unrecognized Tax Benefits	1,878,000	1,878,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Bad Debt Reserve for Tax Purposes of Qualified Lender	$ 0	$ 0