Organization, Plan of Business Operations (Details Textual) - USD ($)	1 Months Ended		12 Months Ended
	Jun. 26, 2017	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016
Stock Issued During Period, Value, New Issues			$ 948,000	$ 5,000
Stock Issued During Period, Shares, New Issues		250,000
Retained Earnings (Accumulated Deficit)			$ (20,661,000)	$ (8,403,000)
IPO [Member]
Stock Issued During Period, Value, New Issues	$ 6,325,000
Shares Issued, Price Per Share	$ 6.00
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 34,200,000
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues	825,000