- DefinitionTabular disclosure of the change in common stock outstanding.
 
+ References
+ Details
|  Name: | 
us-gaap_ScheduleOfCommonStockOutstandingRollForwardTableTextBlock | 
|  Namespace Prefix: | 
us-gaap_ | 
|  Data Type: | 
nonnum:textBlockItemType | 
|  Balance Type: | 
na | 
|  Period Type: | 
duration |