I'd value them like a private buyer would, EV/OI.
I like that they're paying dividends, and I like the age of their senior execs. I believe they're strongly correlated. My prediction is this company is sold in the next 3-5 years.
The dividend has the smell of a "honey, let's spend some money now that the kids are out of the house" type feel. The CEO is a family physician, still has a practice. Doctors seem to hang up the robe in their late 60s or early 70s. A few go on forever, but I don't think that'll happen here.
I value this on a terminal value basis. Expect earnings will plug along, you get the cash back and the value of the company. If you're curious as to what a company like this sells for call a few business brokers. Depending on operations 8-10x EV/OI isn't unheard of, if someone can absorb them it might be a lot higher. I don't think it goes for more than 1x sales, so say $10/share? Things will continue as they have and then one day we'll be talking about the buyout with cash consideration.