cm:Concept: us-gaap:IncreaseDecreaseInDueFromOfficersAndStockholdersCurrent
       
          
          | Increase (Decrease) in Due from Officers and Stockholders, Current | 
       
       
          
          | us-gaap:IncreaseDecreaseInDueFromOfficersAndStockholdersCurrent | 
       
       
          
          | The increase (decrease) during the reporting period in current receivables (due within one year or one operating cycle) to be collected from the reporting entity's executives and owners. | 
       
       
          
          | cm:Concept | 
       
       
          
          | Monetary (xbrli:monetaryItemType) | 
       
       
          
          | For Period (duration) | 
       
       
          
          | Credit | 
       
       
          
          | false | 
       
       
          
          | us-gaap:IncreaseDecreaseInDueFromOfficersAndStockholdersCurrent |