nasdaq regularly approves an additional 180 days if the company applies for such and has any reasonable plan to return pps to one dollar in that 180 days or in the alternative r/s at the end of the extra 180 days(which nasdaq requires a co to do at end of additional 180 days if pps hasnt returned to one dollar by then-jan 8 2020
zn naturally prefers to build shareholder value by e.g., finding a commercial field