Condensed Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Formation, general and administrative expenses	$ (105,998)	$ (15,625)	$ (198,661)	$ (53,830)
Total operating expenses	(105,998)	(15,625)	(198,661)	(53,830)
Other income
Interest income	335,927	0	335,944	0
Profit (loss) before income taxes	229,929	(15,625)	137,283	(53,830)
Income taxes	0	0	0	0
NET INCOME (LOSS)	229,929	(15,625)	137,283	(53,830)
Less: income attributable to ordinary shares subject to conversion	289,429	0	289,429	0
Net loss attributable to Tottenham Acquisition I Limited	(59,500)	(15,625)	(152,146)	(53,830)
Net Income (Loss)	229,929	(15,625)	137,283	(53,830)
Other comprehensive (loss) income:
Unrealized gain on available held for sale securities	(58,650)	0	219,085	0
COMPREHENSIVE INCOME (LOSS)	$ 171,279	$ (15,625)	$ 356,368	$ (53,830)
Basic and diluted weighted average shares outstanding	1,999,278	1,150,000	1,999,278	881,900
Basic and diluted net loss per share	$ (0.03)	$ (0.01)	$ (0.08)	$ (0.06)