Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($)	3 Months Ended				9 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net (loss) income attributable to ordinary shares	$ (3,301,616)	$ 2,373,378	$ 1,931,481	$ 1,126,385	$ (2,771,904)	$ 4,692,837
Changes in operating assets and liabilities:
Prepaid expenses					13,750	61,977
Accrued professional fees, travel and other expenses					5,585,605	11,099
Interest on Investments held in Trust Account	(1,999,354)		(2,069,168)		(7,105,025)	(5,285,412)
Withdrawal of interest from Trust Account to pay operating expenses					875,000	750,000
Net cash (used in) provided by operating activities					(3,402,574)	230,501
Cash flows from investing activities:
Withdrawal from Trust Account to fund redemption of Class A ordinary shares					33,416,716
Net cash provided by investing activities					33,416,716
Cash flows from financing activities:
Payment of accrued offering costs					(30,678)	(89,747)
Proceeds of notes payable from Sponsor					3,000,000
Redemption of ordinary shares					(33,416,716)
Net cash used in financing activities					(30,447,394)	(89,747)
Net change in cash					(433,252)	140,754
Cash at beginning of period		$ 512,827		$ 372,073	512,827	372,073
Cash at end of period	$ 79,575		$ 512,827		$ 79,575	$ 512,827