cm:Level3TextBlock: us-gaap:ScheduleOfNoncashOrPartNoncashAcquisitionsTextBlock
| Schedule of Noncash or Part Noncash Acquisitions [Table Text Block] |
| us-gaap:ScheduleOfNoncashOrPartNoncashAcquisitionsTextBlock |
| Tabular disclosure of acquisition of assets or a business through noncash (or part noncash) transactions. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Disclosure may include the equity interest acquired, value of assets acquired, value of liabilities acquired, net monetary assets acquired, number of shares, warrants or options issued as consideration for a business or asset acquired and other information necessary to a fair presentation. |
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| For Period (duration) |
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| us-gaap:ScheduleOfNoncashOrPartNoncashAcquisitionsTextBlock |
| NoncashOrPartNoncashAcquisitions |