Statements of Operations and Comprehensive Income - USD ($)		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Formation, general and administrative expenses		$ (588,302)	$ (323,944)
Total operating expenses		(588,302)	(323,944)
Other income
Interest income		857,005	343,373
Income before income taxes		268,703	19,429
Income taxes		0	0
NET INCOME		268,703	19,429
Less: income attributable to ordinary shares subject to conversion		718,918	296,740
Net loss attributable to Tottenham Acquisition I Limited		(450,215)	(277,311)
NET INCOME		268,703	19,429
Other comprehensive income:
Unrealized gain on available held for sale debt securities		152,760	27,179
COMPREHENSIVE INCOME		$ 421,463	$ 46,608
Basic and diluted weighted average shares outstanding	[1]	2,105,950	1,357,240
Basic and diluted net loss per share	[2]	$ (0.21)	$ (0.20)

[1] Excludes an aggregate of up to 3,859,050 and 3,977,835 shares subject to conversion at December 31, 2019 and 2018, respectively.

[2] Basic and diluted net loss per share excludes interest income attributable to ordinary shares subject to conversion of ($0.21) and ($0.20) for the years ended December 31, 2019 and 2018, respectively.