Dish Network's curious Blockbuster project appears to be sputtering a bit, now that the company has confirmed that it will shutter more stores than originally anticipated. Speaking to Reuters at CES today, Dish Network CEO Joe Clayton confirmed that his company plans to close all Blockbuster shops that aren't turning a profit, and that some of the remaining stores will be converted into Dish customer service outlets. Back in July, the company announced plans to keep about 1,500 stores open, along with about 90 percent of Blockbuster employees, but those aspirations have since been derailed. "We are committed to keeping the profitable stores open that are generating positive cash flow, but there are ones that aren't going to make it," Clayton explained. "We will close unprofitable stores. We will close additional stores." The exec did not specify how many stores would be closed, nor did he offer any sort of timeline, but spokesman Marc Lumpkin said that the decisions would be made on a "case by case" basis.