By looking at the last 3 weeks of IS attacks in the deep operations area against the GoI - you can get a good picture that IS is far from on the ropes...
"The desire to move against Sinjar could bring Turkey and the KDP into conflict with Iran. Iranian-backed elements of the Popular Mobilization are stationed nearby at Tel Afar and have claimed that the PKK-backed Yazidi militia in Sinjar is part of the Popular Mobilization. Iranian-backed militias could intervene on the side of the PKK in Sinjar if Turkey or the KDP act further, escalating the conflict which could undermine post-ISIS stability in northern Iraq. Russia is also seeking to gain influence in northern Iraq through a financial relationship with the KDP, which could embolden the KDP by granting it greater independence from Baghdad. "