Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Statement Of Financial Position [Abstract]
Allowance for loan losses of loans receivable (in dollars)	$ 2,956,264	$ 3,406,434
Accumulated depreciation on premises and equipment (in dollars)	5,742,785	7,096,401
Valuation allowance on mortgage servicing rights (in dollars)	$ 56,969	$ 73,392
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000us-gaap_CommonStockSharesAuthorized	25,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	1,799,483us-gaap_CommonStockSharesIssued	1,832,860us-gaap_CommonStockSharesIssued

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss.

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