Note 13 - Income Taxes (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Decrease in Deferred Tax Assets, Net		$ 5,100,000
Decrease in Deferred Tax Assets, Net, Percentage		30.50%
Operating Loss Carryforwards		$ 8,100,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves		4,200,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Bad Debt Reserve for Tax Purposes of Qualified Lender		1,600,000	$ 1,600,000
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability				$ 21,100,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		897,000	120,000	21,856,000
Unrecognized Tax Benefits, Income Tax Penalties Expense		0	$ 0	$ 0
NUBILs [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 900,000
Domestic Tax Authority [Member] | Maximum [Member]
Operating Loss Carryforwards		405,000
Domestic Tax Authority [Member] | PreOwnership [Member]
Operating Loss Carryforwards		5,800,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards		$ 13,200,000