Firstly 'my' information is just based on a conversation I had...

Firstly 'my' information is just based on a conversation I had with someone called 'Phil' (guessing: Phillip Crighton?) at the company. He told me that the company has never actually given earnings guidance & that broker's guidance for NPAT is was the range of $20-$21m

Secondly, I agree this company looks very good value, the following is from buysellsignals.com just a few minutes ago:

P/E: The trailing twelve months P/E is 5.5 times, giving it a percentile rank of 97.0 by P/E. It therefore represents better value than 97.0% of other Australian stocks with earnings (rank 13 out of 438).

Can't help you on whether to sell or not. I'm in the same boat