Note 5 - Noncontrolling Interests (Detail) - The purpose of this schedule is to disclose the effects of changes in CBLI’s ownership interest in I (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net loss attributable to CBLI	$ (18,234,142)	$ (4,013,670)	$ (26,366,045)
Increase in CBLI's additional paid-in capital due to the issuance of additional membership interests to the noncontrolling interest of Incuron	1,081,040	176,092
Change from net income attributable to CBLI and issuance of additional membership interests to the noncontrolling interest of Incuron	$ (17,153,102)	$ (3,837,578)