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 $)	3 Months Ended		9 Months Ended			3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2012	Mar. 31, 2012 Previously Reported [Member]	Mar. 31, 2012 Previously Reported [Member]	Jun. 30, 2012 Previously Reported [Member]	Mar. 31, 2012 Adjustment for interest income on residential loans sold [Member]	Mar. 31, 2012 Adjustment for interest income on residential loans sold [Member]	Jun. 30, 2012 Adjustment for interest income on residential loans sold [Member]	Mar. 31, 2012 Adjusted [Member]	Mar. 31, 2012 Adjusted [Member]	Jun. 30, 2012 Adjusted [Member]
Balance Sheet:
Accrued expenses and other liabilities	$ 17,636,636		$ 17,636,636		$ 24,824,454	$ 25,504,793	$ 25,504,793	$ 24,224,709	$ 383,144	$ 383,144	$ 599,745	$ 25,887,937	$ 25,887,937	$ 24,824,454
Retained earnings (accumulated deficit)	(20,893,709)		(20,893,709)		(26,719,600)	(26,946,269)	(26,946,269)	(26,119,855)	(383,144)	(383,144)	(599,745)	(27,329,413)	(27,329,413)	(26,719,600)
Total stockholders' equity	77,337,036		77,337,036		70,130,876	69,767,727	69,767,727	70,730,621	(383,144)	(383,144)	(599,745)	69,384,583	69,384,583	70,130,876
Statement of Operations:
Interest and dividends income	6,522,409	6,884,277	20,176,903	20,984,085		7,079,214	21,367,228	28,382,546	(194,937)	(383,144)	(599,745)	6,884,277	20,984,084	27,782,801
Total interest and dividends income	6,892,611	7,344,880	21,364,521	22,036,479		7,539,817	22,419,622	29,847,913	(194,937)	(383,144)	(599,745)	7,344,880	22,036,478	29,248,168
Net interest income	5,615,169	5,484,423	17,049,783	15,899,222		5,679,360	16,282,365	21,973,522	(194,937)	(383,144)	(599,745)	5,484,423	15,899,221	21,373,777
Net interest income after provision for loan losses	5,615,169	3,468,423	14,999,783	10,417,222		3,663,360	10,800,365	14,991,522	(194,937)	(383,144)	(599,745)	3,468,423	10,417,221	14,391,777
Income (loss) before federal income taxes	1,835,527	225,328	5,955,891	(2,565,812)		420,265	(2,182,669)	(1,550,076)	(194,937)	(383,144)	(599,745)	225,328	(2,565,813)	(2,149,821)
Net income (loss)	$ 1,762,527	$ 225,328	$ 5,825,891	$ (2,540,634)		$ 420,265	$ (2,157,491)	$ (1,331,077)	$ (194,937)	$ (383,144)	$ (599,745)	$ 225,328	$ (2,540,635)	$ (1,930,822)
Basic earnings (loss) per share	$ 0.07	$ 0.01	$ 0.22	$ (0.10)		$ 0.02	$ (0.08)	$ (0.05)	$ (0.01)	$ (0.02)	$ (0.03)	$ 0.01	$ (0.10)	$ (0.08)