Condensed Statements of Operations and Comprehensive Income (Loss) Unaudited - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Formation, general and administrative expenses	$ (209,096)	$ (92,663)
Total operating expenses	(209,096)	(92,663)
Other income
Interest income	197,151	17
Loss before income taxes	(11,945)	(92,646)
Income taxes	0	0
NET LOSS	(11,945)	(92,646)
Less: income attributable to ordinary shares subject to conversion	(163,102)	0
Net loss attributable to Tottenham Acquisition I Limited	(175,047)	(92,646)
NET LOSS	(11,945)	(92,646)
Other comprehensive income:
Unrealized (loss) gain on available held for sale debt securities	(22,985)	277,735
COMPREHENSIVE (LOSS) INCOME	$ (34,930)	$ 185,089
Basic and diluted weighted average shares outstanding	2,105,950	1,992,597
Basic and diluted net loss per share	$ (0.08)	$ (0.05)