Note 9 - Employee Benefit Plan

12 Months Ended

Dec. 31, 2012

Pension and Other Postretirement Benefits Disclosure [Text Block]

9. Employee Benefit Plan

CBLI maintains an active defined contribution retirement plan for its employees (the “Benefit Plan”). All employees satisfying certain service requirements are eligible to participate in the Benefit Plan. The Company makes matching cash contributions each payroll period, up to 4% of employees’ contributions. The Company’s expense relating to the Benefit Plan was $201,510, $182,669 and $132,944 for the years ended December 31, 2012, 2011 and 2010, respectively.