So it would appear that POET has breached one of the conditions with Espresso Capital:

(iv) If: (a) Poetand Buyerfailto reachdefinitive agreements in respect of the Sale of DenseLight on or prior to July 15, 2019, (b) Poetfails to senda circular to shareholders of DenseLight requesting approval of the Sale of DenseLight by July 15, 2019, (c) Poethas not receivedshareholder approval for the Sale of DenseLight by September 1, 2019, or (d) PoetorBuyerterminate discussions in respect to the Sale of DenseLightat any timethen,all receiptsby DenseLightthat come from an incentive program or scheme established by the Singapore Economic Development Board (“EDB”) or in any way relate to EDB shall be deposited and held in a restricted cash accountwith HSBC (the Company’s bank) for the sole benefit of Espresso, such receiptsto be immediately applied to the repayment of the Credit Facility.

https://www.sedar.com/GetFile.do?lang=EN&docClass=14&issuerNo=00003983&issuerType=03&projectNo=02904402&docId=4503245