Initial Public Offering  | 
3 Months Ended | |
|---|---|---|
Jun. 30, 2017  | ||
| Equity [Abstract] | ||
| Initial Public Offering [Text Block] | 
 Note 3  Initial Public Offering  On August 1, 2017, the Company sold  23,000,000 Units, including the issuance of  3,000,000 Units as a result of the underwriters’ exercise of their over-allotment option in full, at a price of $10.00 per Unit in the Initial Public Offering. Each Unit consists of one share of Class A common stock and one Public Warrant. Each Public Warrant entitles the holder to purchase one share of Class A common stock at a price of $11.50 per share, subject to adjustment (see Note 6).   |