Adjustment for Freddie Mac Interest - Effect on Prior Year Balance Sheet and Statement of Operations Related to Adjustment for Interest Income on Residential Loans (Detail) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Statement of Financial Condition:
Accrued expenses and other liabilities	$ 17,453,821	$ 24,824,454
Retained earnings (accumulated deficit)	(17,661,510)	(26,719,600)
Total stockholders' equity	81,031,286	70,130,876	71,281,981	83,243,025
Statement of Operations:
Interest and dividends income	26,658,566	27,782,801	30,214,747
Total interest and dividends income	28,235,638	29,248,168	32,981,776
Net interest income	22,662,608	21,373,777	20,821,573
Net interest income after provision for loan losses	20,612,608	14,391,777	7,281,573
Income (loss) before federal income taxes	7,939,411	(2,149,821)	(9,569,281)
Net income (loss)	9,058,090	(1,930,822)	(9,691,120)
Basic earnings (loss) per share	$ 0.35	$ (0.08)	$ (0.38)
Previously Reported [Member]
Statement of Financial Condition:
Accrued expenses and other liabilities		24,224,709
Retained earnings (accumulated deficit)		(26,119,855)
Total stockholders' equity		70,730,621
Statement of Operations:
Interest and dividends income		28,382,546
Total interest and dividends income		29,847,913
Net interest income		21,973,522
Net interest income after provision for loan losses		14,991,522
Income (loss) before federal income taxes		(1,550,076)
Net income (loss)		(1,331,077)
Basic earnings (loss) per share		$ (0.05)
Adjustment for Interest Income on Residential Loans Sold [Member]
Statement of Financial Condition:
Accrued expenses and other liabilities		599,745
Retained earnings (accumulated deficit)		(599,745)
Total stockholders' equity		(599,745)
Statement of Operations:
Interest and dividends income		(599,745)
Total interest and dividends income		(599,745)
Net interest income		(599,745)
Net interest income after provision for loan losses		(599,745)
Income (loss) before federal income taxes		(599,745)
Net income (loss)		(599,745)
Basic earnings (loss) per share		$ (0.03)
Adjusted [Member]
Statement of Financial Condition:
Accrued expenses and other liabilities		24,824,454
Retained earnings (accumulated deficit)		(26,719,600)
Total stockholders' equity		70,130,876
Statement of Operations:
Interest and dividends income		27,782,801
Total interest and dividends income		29,248,168
Net interest income		21,373,777
Net interest income after provision for loan losses		14,391,777
Income (loss) before federal income taxes		(2,149,821)
Net income (loss)		$ (1,930,822)
Basic earnings (loss) per share		$ (0.08)