|
Document and Entity Information
|
6 Months Ended |
|---|---|
|
Jan. 31, 2012
|
|
| Document Information [Line Items] | |
| Document Type | 10-Q |
| Amendment Flag | false |
| Document Period End Date | Jan. 31, 2012 |
| Document Fiscal Year Focus | 2012 |
| Document Fiscal Period Focus | Q2 |
| Trading Symbol | IPMN |
| Entity Registrant Name | IMPERIAL PETROLEUM INC |
| Entity Central Index Key | 0000355356 |
| Current Fiscal Year End Date | --07-31 |
| Entity Filer Category | Non-accelerated Filer |
| Entity Common Stock, Shares Outstanding | 40,763,569 |