Significant Accounting Policies - reconciliation of net loss per share (Detail)	3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares
Net income	$ 456,797
Less: Income attributable to common stock subject to possible redemption	(601,384)
Adjusted Net Loss	$ (144,587)
Weighted average shares outstanding, basic and diluted | shares	6,175,950	[1]
Basic and diluted net loss per share | $ / shares	$ (0.02)	[2]

[1] Excludes an aggregate of up to 21,810,992 shares subject to possible redemption at March 31, 2019.

[2] Net income (loss) per share – basic and diluted excludes interest income attributable to shares subject to possible redemption of $601,384 for the three months ended March 31, 2019.