It is also worthy to note the following quote "will require additional financing for operations in the near term," so it seems people are being warned that even at 107% APR, the company couldn't get enough money last time.
Also, the commitment of SAC is absolutely nothing. The fact that Wave's financial situation stinks has zero impact on their decision to sign this agreement. Like Samsung, it is a pricing schedule only with no minimums or maximums from SAC.