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Commitments and Contingencies - Additional Information (Detail) | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 21, 2012 USD ($) | Jun. 30, 2012 USD ($) acre | Jun. 30, 2011 USD ($) | Jun. 30, 2012 USD ($) acre | Jun. 30, 2012 CNY | Jun. 30, 2011 USD ($) | Dec. 31, 2011 USD ($)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |
Land leased from local government |  | 32.95 |  | 32.95 | 32.95 |  |
Lease term |  |  |  | 30 years | 30 years |  |
Lease expiration date |  |  |  | Dec. 31, 2031 | Dec. 31, 2031 |  |
Operating lease annual rental payment |  |  |  | $ 19,005 | 120,000 |  |
Rental expenses |  | 4,748 | 4,633 | 9,503 |  | 9,186 |
Outstanding commitments for constructing staff hostel and purchase of equipment |  | 1,428,820 |  | 1,428,820 |  |  | 4,860,965
Legal settlement by insurer | $ 2,000,000 |  |  |  |  |  |

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- Definition Acres of Land Leased + References No definition available. + Details
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- Definition Annual Rental Payments Over Lease Term + References No definition available. + Details
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- Details
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- Definition Commitments for purchase or construction of capital assets. + References No definition available. + Details
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- Definition Lease Term + References No definition available. + Details
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- Definition Legal Settlement By Insurer + References No definition available. + Details
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- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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