Organization and Operations-Additional information (Detail)
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6 Months Ended |
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Jun. 30, 2013
Number
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Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] | |
Number Of Products | 4 |
Subsequent Event [Member]
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|
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] | |
Stockholders Equity Note Stock Split Conversion Description | 1-for-300 |
Subsequent Event [Member] | Minimum [Member]
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Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] | |
Stock Issued During Period, Shares, Reverse Stock Splits | 1,000,000 |
Subsequent Event [Member] | Maximum [Member]
|
|
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] | |
Stock Issued During Period, Shares, Reverse Stock Splits | 300,000,000 |