Going Concern Considerations and Managements Plans - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	9 Months Ended	12 Months Ended
	Aug. 09, 2012	Sep. 30, 2012	Aug. 20, 2012	May 04, 2012	Dec. 31, 2011	Aug. 09, 2011
Core capital		8.00%
Risk-based capital		12.00%
Registered common stock offering, maximum						$ 30,000
Rights offering			18,000			24,965
Offering to a group of standby purchasers			4,500			5,035
Reverse stock split				0.2
Each subscription right entitled the holder to purchase Each?Subscription?Right?Offering?Entitled?Holder?To?Purchase 6.0474			14.5329			6.0474
Each subscription right entitled the holder of the right to purchase, price			1.50			1.00
Rights offering available to the public, price			$ 1.50			$ 1.00
One warrant to purchase one additional share of common stock at a purchase price						$ 1.00
Exercisable period for warrants	3 years
Standby purchasers entitled to acquire			3,000,000			5,000,000
Standby purchasers entitled to acquire, purchase price			$ 1.00			$ 1.50
Purchase of shares of common stock upon the receipt, minimum			13,500			16,500
Rights offering period expiry date			Jul. 16, 2012
Unsubscribed shares issuing beginning balance			Jul. 17, 2012
Sales of common stock		15,936,417	15,000,000		937,417
Common stock price per share			$ 1.50
Proceeds from sale of common stock		20,286	22,500
Common stock issuance expense			2,214
Cash Available		5,268
Redemption of the TARP obligations		(3,000)
Capital contribution		13,500
Unprofitable number of years		3 years
Brokered deposits		36,039
Unpledged securities and deposits in other financial institutions		$ 66,946