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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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