Bioanalytical Systems Inc. provided revenue guidance for the third quarter and nine months ended June 30, 2013. For the quarter, the company expected a decline in revenues to $5.6 million from $7.2 million a year ago. The company also expects to report an improvement in the gross profit percentage for the third fiscal quarter of 2013 as compared to the third fiscal quarter of 2012, from 28.7% to 36.3%.

The company also expects to report an improvement in the gross profit percentage for the nine months of 2013 as compared to the same period in 2012, from 21.6% to 31.1%.