Post-effective amendment to a registration statement that is not immediately effective upon filing

DOCUMENT AND ENTITY INFORMATION

v2.4.0.6
DOCUMENT AND ENTITY INFORMATION
12 Months Ended
Dec. 31, 2012
Document Type POS AM
Amendment Flag false
Document Period End Date Dec. 31, 2012
Entity Registrant Name NOVELOS THERAPEUTICS, INC.
Entity Central Index Key 0001279704
Entity Filer Category Smaller Reporting Company