Income Tax (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Deferred tax liability
Unrealized gain on marketable securities	$ (4,571)	$ (63,236)
Deferred tax liability	$ (4,571)	$ (63,236)

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.

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