Where can I watch To Dust in United States?

Shmuel, a Hasidic cantor in Upstate New York and distraught at the untimely death of his wife, struggles to find religious solace, while secretly obsessing over how her body will decay. As a clandestine partnership develops with Albert, a local community college biology professor, the two embark on a darkly comic and increasingly literal undertaking into the underworld.