v2.4.0.6
Organization and Operations-Additional information (Detail)
6 Months Ended
Jun. 30, 2013
Number
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]  
Number Of Products 4
Subsequent Event [Member]
 
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]
 
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