not sure. i can't substantiate the rumor yet but have heard it from two different sources. i know they lost a +$1M arbitration last week brought on by buca di beppo (houston's had been dripping sink sewage into buca's restaurant for years without taking care of it for some dumbassage reason). this would be taken care of by their insurer and i can't believe would be the reason for them to close, hillstone is a weird company though.
by far my favorite restaurant in the 64112