CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
REVENUES	$ 205,992	$ 199,293
EXPENSES
General and administrative	208,736	221,086
Research and development, net of grants	0	49,268
TOTAL OPERATING EXPENSES	208,736	270,354
INCOME (LOSS) FROM OPERATIONS	(2,744)	(71,061)
INTEREST AND OTHER INCOME (EXPENSE), NET	41,985	(74,170)
NET INCOME (LOSS)	39,241	(145,231)
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	3,106	0
NET INCOME (LOSS) ATTRIBUTABLE TO PROTEO, INC.	36,135	(145,231)
FOREIGN CURRENCY TRANSLATION ADJUSTMENTS	(1,404)	(5,734)
COMPREHENSIVE INCOME (LOSS)	$ 34,731	$ (150,965)
BASIC AND DILUTED NET INCOME (LOSS) PER SHARE	$ 0.00	$ (0.01)
BASIC AND DILUTED EARNINGS (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTEREST PER SHARE	$ 0.00	$ (0.01)
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING BASIC AND DILUTED	23,898,528	23,879,350
Development Agreement [Member]
REVENUES	$ 99,100	$ 199,293
Grant Revenue [Member]
REVENUES	$ 106,892	$ 0