Stockholders' Equity (Details Narrative)			3 Months Ended	6 Months Ended
	Jan. 29, 2019 shares	Jan. 17, 2018 shares	Jun. 30, 2019 shares	Jun. 30, 2020 $ / shares shares	Jun. 30, 2019 shares	Dec. 31, 2019 $ / shares shares	Dec. 17, 2018 $ / shares	Jul. 31, 2014 $ / shares
Class Of Stock [Line Items]
Number of shares forfeited	122,897		122,897		122,897
Preferred stock, authorized				1,000,000		1,000,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.0001		$ 0.0001
Preferred stock, issued				0		0
Preferred stock, outstanding				0		0
Description of warrant				The Company may redeem the Public Warrants (except with respect to the warrants included in the Private Placement Units):   • in whole and not in part;   • at a price of $0.01 per warrant;   • at any time during the exercise period;   • upon a minimum of 30 days’ prior written notice of redemption;   • if, and only if, the last reported sale price of the Company’s common stock equals or exceeds $18.00 per share for any 20-trading days within a 30-trading day period ending on the third business day prior to the date on which the Company sends the notice of redemption to the warrant holders; and   • if, and only if, there is a current registration statement in effect with respect to the shares of common stock underlying such warrants.
Sponsor [Member]
Class Of Stock [Line Items]
Stock split		2.5-for-1		2.5-for-1
Stock split, conversion ratio		2.5
Common Stock Class A [Member]
Class Of Stock [Line Items]
Common stock, shares authorized				100,000,000		100,000,000
Common stock, par value | $ / shares				$ 0.0001		$ 0.0001
Common stock issued including stock subject to redemption				28,264,713		28,858,413
Common stock, outstanding including stock subject to redemption				28,264,713		28,858,413
Common stock, subject to redemption				27,123,813		27,972,537
Common stock, issued				1,140,900		885,876
Common stock, outstanding				1,140,900		885,876
Common Stock Class B [Member]
Class Of Stock [Line Items]
Common stock, shares authorized				10,000,000		10,000,000
Common stock, par value | $ / shares				$ 0.0001		$ 0.0001
Common stock, issued				7,064,603		7,064,603
Common stock, voting rights				Holders of Class B common stock are entitled to one vote for each share.
Common stock, outstanding				7,064,603		7,064,603
Common Stock Class B [Member] | Sponsor [Member]
Class Of Stock [Line Items]
Common stock, par value | $ / shares								$ 0.0001
Common Stock Class B [Member] | Stockholders, Officers and Directors [Member]
Class Of Stock [Line Items]
Percentage owned in common stock				20.00%
Private Placement [Member]
Class Of Stock [Line Items]
Class of warrant or right warrants par value | $ / shares				$ 0.01
Private Placement [Member] | Common Stock [Member]
Class Of Stock [Line Items]
Exercise price (in dollars per share) | $ / shares				$ 18.00
Private Placement [Member] | Minimum [Member]
Class Of Stock [Line Items]
Number of trading days				20 days
Private Placement [Member] | Maximum [Member]
Class Of Stock [Line Items]
Number of trading days				30 days
Private Placement [Member] | Common Stock Class A [Member]
Class Of Stock [Line Items]
Common stock, issued				600,000		600,000
Private Placement [Member] | Common Stock Class A [Member] | Sponsor [Member]
Class Of Stock [Line Items]
Exercise price (in dollars per share) | $ / shares							$ 11.50
Over-Allotment Option [Member] | Sponsor [Member]
Class Of Stock [Line Items]
Common stock, outstanding		7,187,500
Number of shares subject to forfeited	122,897
Number of shares forfeited		312,500
Over-Allotment Option [Member] | Common Stock Class B [Member] | Sponsor [Member]
Class Of Stock [Line Items]
Number of shares subject to forfeited	122,897	312,500
Number of shares forfeited				0