Condensed Statements of Changes in Shareholders' Equity (Deficiency) - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	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)
Sale of units in initial public offering, shares	4,600,000
Sale of units in initial public offering, value	$ 460	45,999,540			46,000,000
Offering costs		(3,773,965)			(3,773,965)
Proceed from sales of underwriter's unit purchase option		100			100
Fair value of underwriter's unit purchase option		653,400			653,400
Sale of ordinary share to the Initial Shareholder in private placement, shares	200,000
Sale of ordinary share to the Initial Shareholder in private placement, value	$ 20	1,999,980			2,000,000
Sale of over-allotment units, shares	15,000
Sale of over-allotment units, value	$ 2	149,998			150,000
Ordinary shares subject to possible redemption, shares	(4,046,507)
Ordinary shares subject to possible redemption, value	$ (405)	(40,464,665)			(40,465,070)
Unrealized holding gain on available-for-sale securities			123,950		123,950
Repurchase of ordinary shares by the Initial Shareholders, shares	(1,000)
Repurchase of ordinary shares by the Initial Shareholders, value		(1)			(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			25,000
Net loss				(126,453)	(126,453)
Ending balance, shares at Sep. 30, 2018	1,918,493
Ending balance, value at Sep. 30, 2018	$ 192	4,589,273	123,950	(128,840)	4,584,575
Beginning balance, shares at Jun. 30, 2018	1,150,000
Beginning balance, value at Jun. 30, 2018	$ 115	24,885	0	(56,217)	(31,217)
Sale of units in initial public offering, shares	4,600,000
Sale of units in initial public offering, value	$ 460	45,999,540			46,000,000
Offering costs		(3,773,965)			(3,773,965)
Proceed from sales of underwriter's unit purchase option		100			100
Fair value of underwriter's unit purchase option		653,400			653,400
Sale of ordinary share to the Initial Shareholder in private placement, shares	200,000
Sale of ordinary share to the Initial Shareholder in private placement, value	$ 20	1,999,980			2,000,000
Sale of over-allotment units, shares	15,000
Sale of over-allotment units, value	$ 2	149,998			150,000
Ordinary shares subject to possible redemption, shares	(4,046,517)
Ordinary shares subject to possible redemption, value	$ (405)	(40,464,665)			(40,465,070)
Unrealized holding gain on available-for-sale securities			123,950		123,950
Net loss				(72,623)	(72,623)
Ending balance, shares at Sep. 30, 2018	1,918,493
Ending balance, value at Sep. 30, 2018	$ 192	4,589,273	123,950	(128,840)	$ 4,584,575
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	61,512
Change in fair value of ordinary shares subject to possible conversion, value	$ 6	(460,157)			(460,157)
Realized holding gain on available-for-sale securities			(606,869)		(606,869)
Unrealized holding gain on available-for-sale securities			808,605		808,605
Net loss				258,415	258,415
Ending balance, shares at Sep. 30, 2019	2,048,677
Ending balance, value at Sep. 30, 2019	$ 205	4,495,424	228,915	275,457	5,000,001
Beginning balance, shares at Jun. 30, 2019	1,999,278
Beginning balance, value at Jun. 30, 2019	$ 200	4,599,212	246,264	154,325	5,000,001
Change in fair value of ordinary shares subject to possible conversion, shares	43,399
Change in fair value of ordinary shares subject to possible conversion, value	$ 5	(103,788)			(103,783)
Realized holding gain on available-for-sale securities			(271,148)		(271,148)
Unrealized holding gain on available-for-sale securities			253,799		253,799
Net loss				121,132	121,132
Ending balance, shares at Sep. 30, 2019	2,048,677
Ending balance, value at Sep. 30, 2019	$ 205	$ 4,495,424	$ 228,915	$ 275,457	$ 5,000,001