CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss including noncontrolling interests	$ (3,707,447)	$ (9,842,672)
Other comprehensive income (loss):
Unrealized gain on short-term investments	1,924	362
Foreign currency translation adjustment	(144,035)	69,789
Comprehensive loss including noncontrolling interests	(3,849,558)	(9,772,521)
Comprehensive loss attributable to noncontrolling interests	142,672	114,167
Comprehensive loss attributable to Cleveland BioLabs, Inc.	$ (3,706,886)	$ (9,658,354)