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Organization and Business Background - Additional Information (Detail) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 29, 2007 | Jul. 16, 2007 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011 | Dec. 31, 2010 | Jun. 30, 2010 | Feb. 10, 2010 | Dec. 31, 2009 | Jun. 24, 2009
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership for HBOP shareholders to exercise control over disposition of Dongfang Holding's shares in HBOP |  | 100.00% |  |  |  |  |  |  |  |  |  |
Shares of common stock issued to Dongfang Holding shareholders | 7,450,497 |  |  |  |  |  |  |  |  |  |  |
Common stock, par value | $ 0.001 |  | $ 0.001 |  | $ 0.001 |  | $ 0.001 |  |  |  |  |
Registered capital |  |  |  |  |  |  |  |  | $ 60,000,000 |  |  | $ 10,000,000
Service fee as percent of total annual profit |  |  |  |  |  |  |  |  |  |  | 80.00% |
Amount to be loaned by Baoding Shangede to HBOP equity owners |  |  |  |  |  |  |  |  |  |  | 10,000,000 |
Loans terminated |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |
Percentage of distributable profit of HBOP entitled to Baoding Shengde |  |  |  |  |  |  |  | 100.00% |  |  |  |
Percentage of revenues generated from HBOP |  |  | 94.73% | 94.59% | 95.07% | 94.11% |  |  |  |  |  |
Percentage of assets accounted by HBOP |  |  | 70.44% |  | 70.44% |  | 68.20% |  |  |  |  |
Shengde Holdings |  |  |  |  |  |  |  |  |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest |  |  | 100.00% |  | 100.00% |  |  |  |  |  |  |

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