cm:Concept: us-gaap:ConvertibleNotesPayableCurrent
| Convertible Notes Payable, Current |
| us-gaap:ConvertibleNotesPayableCurrent |
| Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:ConvertibleNotesPayableCurrent |