Complex sentence: Initially, he taught at a "dojo" (training hall) in Kansas for 14 months, but then decided to start a new "dojo" in Louisiana: the Louisiana Karate Association (LKA) in New Orleans.
Split into simpler sentences: Initially, he taught at a "dojo" (training hall) in Kansas, but within two years had decided to start a new "dojo" in Louisiana. This "dojo" is the Louisiana Karate Association (LKA), and is based in New Orleans.