I crawled your site and you have roughly 30 pages with under 300 words on them and the rest of your pages are under 1000 words or so. I'd recommend building out some of the content on these thinner pages.
You also have some paginated urls with a /page/ folder attached to them that you could apply a meta no index tag to and remove from Google.
I'd also look at disabling your current SEO plugin because "Your SEO optimized title" appears on all the pages and is causing your duplicate title tag issue. And I know meta descriptions aren't a ranking factor but all yours are blank and it's a great opportunity to build these out to drive extra click throughs from Google search results.
I hope that helps a bit.
