Trust Account and Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2018

Trust Account and Fair Value Measurement [Abstract]

Schedule of assets measured at fair value on a recurring basis

						Quoted Price
						Prices in
	Carrying value at		Gross Unrealized			Active Markets
Description	December 31, 2018		Holding Loss			(Level 1)
Assets:
Cash and money market	$	1,000	$	-		$	1,000
U.S. government treasury bills		304,034,000		(7,000	)		304,027,000
total	$	304,035,000	$	(7,000	)	$	304,028,000

					Quoted Price
					Prices in
	Carrying value at		Gross Unrealized		Active Markets
Description	December 31, 2017		Holding Gain		(Level 1)
Assets:
U.S. government treasury bills	$	300,403,000	$	18,000	$	300,421,000