Note 11 - Fair Value of Financial Instruments and Fair Value Measurement (Tables)

3 Months Ended

6 Months Ended

Dec. 31, 2012

Mar. 31, 2012

Estimate of Fair Value, Fair Value Disclosure [Member]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	December 31, 2012
	Estimated fair value		Quoted prices in active markets for identical assets (Level 1 inputs)		Quoted prices for similar assets (Level 2 inputs)		Significant unobservable inputs (Level 3 inputs)
Assets:
Investment securities available for sale:
Tax free municipals	$	12,144,855	$	—	$	12,144,855	$	—
U.S. government sponsored entities		10,204,178		—		10,204,178		—
Mortgage–backed securities:
FNMA certificates		89,238,934		—		89,238,934		—
GNMA certificates		4,593,820		—		4,593,820		—
FHLMC certificates		42,444,211		—		42,444,211		—
Collateralized mortgage obligations:
FNMA		6,186,810		—		6,186,810		—
GNMA		326,839		—		326,839		—
FHLMC		547,434		—		547,434		—
Private-label mortgage securities:
Investment grade		2,074,388		—		2,074,388
Split rating [1]		1,485,928		—		1,485,928		—
Non investment grade		9,998,785		—		9,998,785		—
Total investment securities available for sale		179,246,182		—		179,246,182		—
Assets held for sale		1,054,280		—		1,054,280		—
Total recurring assets at fair value	$	180,300,462	$	—	$	180,300,462	$	—
Liabilities:
Derivative instruments–swap liability	$	10,104	$	—	$	10,104	$	—
Total recurring liabilities at fair value	$	10,104	$	—	$	10,104	$	—

	September 30, 2012
	Estimated fair value		Quoted prices in active markets for identical assets (Level 1 inputs)		Quoted prices for similar assets (Level 2 inputs)		Significant unobservable inputs (Level 3 inputs)
Assets:
Investment securities available for sale:
Tax free municipals	$	11,578,501	$	—	$	11,578,501	$	—
U.S. government sponsored entities		16,627,055		—		16,627,055		—
Mortgage–backed securities:
FNMA certificates		86,584,802		—		86,584,802		—
GNMA certificates		4,945,412		—		4,945,412		—
FHLMC certificates		46,244,446		—		46,244,446		—
Collateralized mortgage obligations:
FNMA		8,027,156		—		8,027,156		—
GNMA		503,311		—		503,311		—
FHLMC		580,089		—		580,089		—
Private-label mortgage securities:
Investment grade		2,356,744		—		2,356,744
Split rating [1]		6,246,303		—		6,246,303		—
Non investment grade		5,685,514		—		5,685,514		—
Total investment securities available for sale		189,379,333		—		189,379,333		—
Assets held for sale		1,054,280		—		1,054,280		—
Total recurring assets at fair value	$	190,433,613	$	—	$	190,433,613	$	—
Liabilities:
Derivative instruments–swap liability	$	12,443	$	—	$	12,443	$	—
Total recurring liabilities at fair value	$	12,443	$	—	$	12,443	$	—

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

	Fair value measurements using:
	Fair value		Quoted prices in active markets for identical assets (Level 1 inputs)		Quoted prices for similar assets (Level 2 inputs)		Significant unobservable inputs (Level 3 inputs)
December 31, 2012
Impaired loans:
Not covered under loss share	$	1,352,918	$	—	$	—	$	1,352,918
Other real estate owned:
Not covered under loss share		1,414,421		—		—		1,414,421
Covered under loss share		21,029,944		—		—		21,029,944

September 30, 2012
Impaired loans:
Not covered under loss share	2,925,972	—	—	2,925,972
Other real estate owned:
Not covered under loss share	2,106,757	—	—	2,106,757
Covered under loss share	21,903,204	—	—	21,903,204

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

	Quantitative Information about Level 3 Fair Value Measurements
	Fair value		Valuation Technique	Unobservable Input	General Range (Discount)				Weighted Average Discount
Impaired loans	$	1,352,918	Property appraisals	Management discount for property type and recent market volatility		21%	-	56%		46	%
REO	$	22,444,365	Property appraisals	Management discount for property type and recent market volatility		20%	-	33%		24	%

Fair Value, by Balance Sheet Grouping [Table Text Block]

	September 30, 2012
					Estimated Fair Value
	Carrying Value		Total Estimated Fair Value		Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	108,828,220	$	108,828,220	$	108,828,220	$	-	$	-
Investments available for sale		189,379,333		189,379,333		-		189,379,333		-
FHLB Stock		5,318,200		5,318,200		-		5,318,200		-
Loans receivable, net		593,903,715		561,448,457		-		-		561,448,457
Loans held for sale		2,691,508		2,741,672		-		2,741,672		-
Cash surrender value of life insurance		33,831,920		33,831,920		-		33,831,920		-
FDIC receivable for loss sharing arrangements		-		35,492,184		-		-		35,492,184
Accrued interest and dividends receivable		3,241,320		3,241,320		-		721,048		2,520,272
Financial liabilities:
Deposits	$	800,261,546	$	805,422,429	$	-	$	805,422,429	$	-
FHLB advances and other borrowings		81,000,000		90,732,925		-		90,732,925		-
Derivative instruments		12,443		12,443		-		12,443		-
Accrued interest payable		320,980		320,980		-		320,980		-

	December 31, 2012
					Estimated Fair Value
	Carrying Value		Total Estimated Fair Value		Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	$	130,247,600	$	130,247,600	$	130,247,600	$	-	$	-
Investments available for sale		179,246,182		179,246,182		-		179,246,182		-
FHLB Stock		5,273,200		5,273,200		-		5,273,200		-
Loans receivable, net		575,638,347		544,181,243		-		-		544,181,243
Loans held for sale		4,923,431		5,034,155		-		5,034,155		-
Cash surrender value of life insurance		34,087,206		34,087,206		-		34,087,206		-
FDIC receivable for loss sharing arrangements		42,821,370		42,838,335		-		-		42,838,335
Accrued interest and dividends receivable		2,880,248		2,880,248		-		587,434		2,292,814
Financial liabilities:
Deposits	$	806,117,639	$	811,316,288	$	-	$	811,316,288	$	-
FHLB advances and other borrowings		80,000,000		89,012,324		-		89,012,324		-
Derivative instruments		10,104		10,104		-		10,104		-
Accrued interest payable		284,341		284,341		-		284,341		-