Disclosure in Annual Financial Statements. If an estimate is disclosed in an interim period and that estimate is significantly changed in the final interim period (where there is no publishing of an interim report - which is usually the case), then the change in estimate is disclosed in the annual report.
The PenFill cartridge that you are currently using can be kept at room temperature up to 42 days, as long as they are kept below 86 degrees F (30 degrees C). Throw away unrefrigerated disposable Levemir PenFill cartridges after 42 days from the cartridges first use, even if it still contains Levemir.
I've had Lantus vials, being used, out at room temp for up to 60 days with no measurable signs of lost potency for me. Room temp in the summer time can be in the upper 70s for short periods. I don't see having left the pens out at room temp for 2 hours as a problem here. MDI, Lantus and NovologA1c 2/12 -- 5.9%.