Condensed Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Formation, general and administrative expenses	$ (150,031)	$ (72,819)	$ (348,692)	$ (126,649)
Total operating expenses	(150,031)	(72,819)	(348,692)	(126,649)
Other income
Interest income	271,163	196	607,107	196
Profit (loss) before income taxes	121,132	(72,623)	258,415	(126,453)
Income taxes	0	0	0	0
NET INCOME (LOSS)	121,132	(72,623)	258,415	(126,453)
Less: income attributable to ordinary shares subject to conversion	230,848	0	516,673	0
Net loss attributable to Tottenham Acquisition I Limited	(109,716)	(72,623)	(258,258)	(126,453)
Other comprehensive (loss) income:
Unrealized gain on available held for sale securities	(17,349)	123,950	201,736	123,950
COMPREHENSIVE INCOME (LOSS)	$ 103,783	$ 51,327	$ 460,151	$ (2,503)
Basic and diluted weighted average shares outstanding	2,048,677	1,617,778	2,048,677	1,130,870
Basic and diluted net loss per share	$ (0.05)	$ (0.05)	$ (0.13)	$ (0.11)