Condensed Statements of Changes in Shareholders' Equity (Deficiency) - USD ($)	Common Stock	Additional Paid-In Capital	Other Comprehensive Income / Loss	Retained Earnings / Accumulated Deficit	Total
Beginning balance, shares at Dec. 31, 2017	1,000				(2,386)
Beginning balance, value at Dec. 31, 2017	$ 0	$ 1	$ 0	$ (2,387)	$ (2,386)
Repurchase of ordinary shares by the Initial Shareholders, shares	(1,000)
Repurchase of ordinary shares by the Initial Shareholders, value	$ 0	(1)	0	0	(1)
Issuance of ordinary shares to the Initial Shareholder, shares	1,150,000
Issuance of ordinary shares to the Initial Shareholder, value	$ 115	24,885	0	0	25,000
Realized holding gain on available-for-sale securities					0
Unrealized holding gain on available-for-sale securities					0
Net loss				(38,205)	(38,205)
Ending balance, shares at Mar. 31, 2018	1,150,000
Ending balance, value at Mar. 31, 2018	$ 115	24,885	0	(40,592)	$ (15,592)
Beginning balance, shares at Dec. 31, 2017	1,000				(2,386)
Beginning balance, value at Dec. 31, 2017	$ 0	1	0	(2,387)	$ (2,386)
Net loss					(53,830)
Ending balance, shares at Jun. 30, 2018	1,150,000
Ending balance, value at Jun. 30, 2018	$ 115	24,885	0	(56,217)	$ (31,217)
Beginning balance, shares at Dec. 31, 2017	1,000				(2,386)
Beginning balance, value at Dec. 31, 2017	$ 0	1	0	(2,387)	$ (2,386)
Ending balance, shares at Dec. 31, 2018	1,987,165				5,000,001
Ending balance, value at Dec. 31, 2018	$ 199	4,955,581	27,179	17,042	$ 5,000,001
Beginning balance, shares at Mar. 31, 2018	1,150,000
Beginning balance, value at Mar. 31, 2018	$ 115	24,885	0	(40,592)	(15,592)
Realized holding gain on available-for-sale securities					0
Unrealized holding gain on available-for-sale securities					0
Net loss				(15,625)	(15,625)
Ending balance, shares at Jun. 30, 2018	1,150,000
Ending balance, value at Jun. 30, 2018	$ 115	24,885	0	(56,217)	$ (31,217)
Beginning balance, shares at Dec. 31, 2018	1,987,165				5,000,001
Beginning balance, value at Dec. 31, 2018	$ 199	4,955,581	27,179	17,042	$ 5,000,001
Change in fair value of ordinary shares subject to possible conversion, shares	5,432
Change in fair value of ordinary shares subject to possible conversion, value	$ 1	(185,090)			(185,089)
Realized holding gain on available-for-sale securities					0
Unrealized holding gain on available-for-sale securities			277,735		277,735
Net loss				(92,646)	(92,646)
Ending balance, shares at Mar. 31, 2019	1,992,597
Ending balance, value at Mar. 31, 2019	$ 200	4,770,491	304,914	(75,604)	$ 5,000,001
Beginning balance, shares at Dec. 31, 2018	1,987,165				5,000,001
Beginning balance, value at Dec. 31, 2018	$ 199	4,955,581	27,179	17,042	$ 5,000,001
Net loss					137,283
Ending balance, shares at Jun. 30, 2019	1,999,278
Ending balance, value at Jun. 30, 2019	$ 200	4,599,212	246,264	154,325	5,000,001
Beginning balance, shares at Mar. 31, 2019	1,992,597
Beginning balance, value at Mar. 31, 2019	$ 200	4,770,491	304,914	(75,604)	5,000,001
Change in fair value of ordinary shares subject to possible conversion, shares	6,681
Change in fair value of ordinary shares subject to possible conversion, value	$ 0	171,279			171,279
Realized holding gain on available-for-sale securities			(335,721)		(335,721)
Unrealized holding gain on available-for-sale securities			277,071		277,071
Net loss				229,929	229,929
Ending balance, shares at Jun. 30, 2019	1,999,278
Ending balance, value at Jun. 30, 2019	$ 200	$ 4,599,212	$ 246,264	$ 154,325	$ 5,000,001