Musk , the 225-minute feature documentary from director Alex Gibney about the world’s richest man, is apparently winding down its theatrical run after just two weeks on screens—so says industry news site Showbiz411 .

The sprawling doc earned praise from critics on the festival circuit. Its limited four-theater release in New York and Los Angeles on October 9 had a respectable opening weekend gross—each screen earning an average of $17,225 for a $68,900 total. Expanding to more theaters in more markets was the logical next step, which its distributor Bleeker Street Films did last Friday, raising the number of screens to 472. But Musk ’s wider-debut was an unmitigated flop , netting a paltry $614 per screen, for an abysmal second weekend total of $290,000. Box Office Mojo has the film’s to-date total up to $571,902, as of this article’s publication.

Though there’s a constant push-and-pull from both sides, the industry has more-or-less settled on giving most films typically a 45-day theatrical window.…