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CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Revenue	$ 1,157	$ 488
Operating expenses:
Cost of revenue	688	989
Research and development	8,962	6,131
General and administrative	4,130	3,401
Total operating expenses	13,780	10,521
Loss from operations	(12,623)	(10,033)
Other income (expense):
Change in fair value of warrant liability	9,269	(4,962)
Interest and dividend income	374	454
Other expense	(14)	(1)
Net loss	(2,994)	(14,542)
Net loss:
Basic and diluted	$ (2,994)	$ (14,542)
Net loss per share:
Basic and diluted	$ (0.04)	$ (0.21)
Shares used in computing net loss per share:
Basic and diluted	73,628	70,885

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