Related Party Transactions (Details Textual) - USD ($)			1 Months Ended
	Jan. 04, 2019	Nov. 14, 2018	Jun. 30, 2017	Jun. 30, 2019	Nov. 20, 2018	Aug. 22, 2018
Common Class F [Member]
Number of shares converted		71,875
Aggregate held of shares		7,187,500
Private Placement [Member] | Warrant [Member]
Face amount				$ 250,000
Exercise price of warrants (in dollars per share)				$ 1.00
Initial Public Offering [Member]
Exercise price of warrants (in dollars per share)					$ 11.50
Boxwood Merger Corp. (the "Sponsor") [Member]
Number of shares issued			100
Aggregate purchase price			$ 25,000
Description of related party transaction		On November 15, 2018, the Sponsor contributed back to the Company, for no consideration, 1,437,500 Founder Shares. As a result, the initial stockholders held 5,750,000 Founder Shares, of which an aggregate of up to 750,000 shares were subject to forfeiture to the extent that the underwriters’ option to purchase additional Units was not exercised in full or in part, so that the initial stockholders would own 20% of the Company’s issued and outstanding shares after the Initial Public Offering (not including the shares of Class A common stock underlying the Private Placement Units and assuming the initial stockholders did not purchase any Public Shares in the Initial Public Offering).
Boxwood Merger Corp. (the "Sponsor") [Member] | Promissory Note [Member]
Face amount						$ 300,000
Boxwood Merger Corp. (the "Sponsor") [Member] | Over-Allotment Option [Member]
Shares forfeited issued	5,000,000
Shares forfeited outstanding	5,000,000
Number of shares forfeiture	750,000
Percentage of issued and outstanding shares own		20.00%