so from my interpretation they seem to be on schedulle and will have product sales and NRE this year . Also they have alternative buyers interested if the current non binding agreement doesn't proceed

"Our plan to deliver 400G devices is essentially unchanged from prior plans, which targeted the release of Transmit and Receive (TROE) Optical Engine prototypes to customers for qualification2 in the second half of 2019."

"forecasted revenue would be in the range of approximately $8 to $10 million, though we would not expect to reach cash break-even until 2020. Gross Margins should increase as a result of the proportion of higher margin development contracts for NonRecurring Engineering (NRE)"

"We are now committed to pursuing our “fab-light” strategy and selling our DenseLight subsidiary. There are several parties interested in purchasing outright or engaging in a jointventure to have access to our DenseLight fab if the current negotiations are not successful."