Trust Account and Fair Value Measurements (Details) - Treasury Securities [Member] - USD ($) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Aug. 31, 2018 |
Nov. 30, 2017 |
|
| Debt and Equity Securities, FV-NI [Line Items] | ||
| Carrying Value | $ 19,487,416 | $ 71,215,004 |
| Gross Unrealized Holding Losses | (4,002) | (14,157) |
| Quoted prices in Active Markets (Level 1) [Member] | ||
| Debt and Equity Securities, FV-NI [Line Items] | ||
| Carrying Value | $ 19,491,418 | $ 71,229,161 |
| X | ||||||||||
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|