CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
REVENUES	$ 0	$ 205,992
EXPENSES
General and administrative	215,208	208,736
Research and development, net of grants	30,004	0
TOTAL OPERATING EXPENSES	245,212	208,736
LOSS FROM OPERATIONS	(245,212)	(2,744)
INTEREST AND OTHER INCOME, NET	23,939	41,985
NET INCOME (LOSS)	(221,273)	39,241
LESS: NET INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTEREST	(3,106)	3,106
NET INCOME (LOSS) ATTRIBUTABLE TO PROTEO, INC.	(218,167)	36,135
FOREIGN CURRENCY TRANSLATION ADJUSTMENTS	(2,382)	(1,404)
COMPREHENSIVE INCOME (LOSS)	$ (220,549)	$ 34,731
BASIC AND DILUTED EARNINGS (LOSS) PER SHARE	$ (0.01)	$ 0.00
BASIC AND DILUTED EARNINGS (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS PER SHARE	$ (0.01)	$ 0.00
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING BASIC AND DILUTED	24,860,172	23,898,528
Development Agreement [Member]
REVENUES	$ 0	$ 99,100
Grant Revenue [Member]
REVENUES	$ 0	$ 106,892