They will need to refill the coffers before too long. The CEO is highly conservative that way (likes a comfortable cash stash). If there is a deal had on the pumps, it needs to happen sooner than later, in order to avoid another dilutive financing. Although slightly less dilutive now, given the recent run.
The other question is whether they can negotiate a decent price on the pumps pre the Home component (DIMI) FDA approval. Although DIMI is approved in hospitals and clinics, and SAMI is fully approved and will now start to be used in clinics. In other words, is the ultimate sale price significantly higher with an FDA bow around everything? Based on past valuations of NxStage and Tablo, there is potentially very big money on the line. The ARC validation should help with negotiations.