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Common Stock - Additional Information (Detail) (USD $)	1 Months Ended
	Jun. 01, 2012	Jan. 12, 2012	Jan. 11, 2012	Aug. 28, 2011
Stockholders Equity Note [Line Items]
Restricted stock awards, shares issued		109,584	109,584
Restricted shares issued pursuant to 2011 Incentive Stock Plan, price per share		$ 3.45
Restricted stock awards issued, value		$ 378,065
Restricted stock approved for issuance				375,000
Quarterly cash dividend declared, per share	$ 0.0125
Cash dividend declared date	Jun. 01, 2012
Cash dividend declared, payable date	Jul. 02, 2012
Cash dividend declared, record date	Jun. 15, 2012
Cash dividend declared, date paid	Jun. 27, 2012

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