cm:Concept: us-gaap:DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1
| Debt Conversion, Converted Instrument, Warrants or Options Issued |
| us-gaap:DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 |
| The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. |
| cm:Concept |
| Shares (xbrli:sharesItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 |