STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Costs and expenses:
Research and development	$ 365	$ 662
General and administrative	975	1,119
Total costs and expenses	1,340	1,781
Loss from operations	(1,340)	(1,781)
Interest and other income	24	38
Interest expense	(4)	(3)
Loss before income taxes	(1,320)	(1,746)
Income tax benefit		82
Net loss	$ (1,320)	$ (1,664)
Net loss per share:
Basic and diluted	$ (0.83)	$ (1.86)
Weighted average shares outstanding:
Basic and diluted	1,594,070	895,970