Subordinated Debt and Note Payable - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended					12 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Mar. 16, 2010	Mar. 16, 2010	Oct. 09, 2009 Year	Sep. 03, 2009	Sep. 01, 2009 Year	Mar. 31, 2006 BasisPoint	Jun. 30, 2012 BasisPoint	Jun. 30, 2011	Nov. 24, 2008	Sep. 01, 2009 Trust One Warrant A	Jun. 30, 2011 Trust One Warrant A	Sep. 01, 2009 Trust One Warrant B	Jun. 30, 2011 Trust One Warrant B	Oct. 09, 2009 Trust Two A Warrant	Jun. 30, 2011 Trust Two A Warrant	Oct. 09, 2009 Trust Two B Warrant	Jun. 30, 2011 Trust Two B Warrant	Jun. 30, 2004 Trust One BasisPoint	Jun. 30, 2010 Trust One	Jul. 31, 2006 Trust Two BasisPoint	Jun. 30, 2010 Trust Two
Debt [Line Items]
Issued preferred securities																		$ 10,000,000		$ 10,000,000
LIBOR rate basis points						100												260		175
LIBOR interest rate						4.99%														7.462%
Exchanged value of preferred securities	10,000,000	10,000,000		10,000,000
Cash payment for preferred securities		400,000		500,000
common stock issued for preferred securities		600,000		500,000
Common stock issued for preferred securities, shares			280,241		205,297
warrants exercise price	1,246,179									769,608		27,739		797,347		448,832
Interest rate	$ 1.75	$ 1.75	$ 1.75		$ 1.75		$ 1.75
Warrants exercisable period			5		2
Warrants expiration date					Sep. 03, 2011
Gain of repurchase of the trust preferred securities																			8,561,530		9,065,908
Estimated fair value of warrants											808,088		29,126		669,771		377,019
Warrants expiration date			2015-03-16
Note payable							$ 1,046,111	$ 1,152,778	$ 1,400,000
Prime lending rate							50
Converting an amortizing loan for a term							15 years
Interest rate							3.80%