Research and development expenses were $5,000,000 compared to $6,500,000 in the prior year period and $5,500,000 in the prior quarter. Selling, general and administrative expenses were $1,900,000 in the quarter ended March 31, 2023, compared to $1,500,000 in the prior year quarter and $3,000,000 in the previous quarter. 4th quarter fiscal 2020 3, operating loss was $3,900,000 compared to an operating loss of $2,900,000 in the prior year period and an operating loss of $4,800,000 in the prior quarter. 4th quarter fiscal 2023 net loss included interest and other income of $101,000 and a tax provision of $191,000 compared to $47,000 in interest and other expense and a tax provision of $21,000 for the same period a year ago. In the preceding Q3 net loss included interest and other income of $61,000 and a tax provision of $84,000 Total 4th quarter pre tax stock based compensation expense was $515,000 compared to $714,000 in the comparable quarter a year ago and $654,000 in the prior quarter.