The following tables summarize the quarterly results of operations for the year ended December 31, 2019, six months transition period ended December 31, 2018 and the year ended June 30, 2018 (in thousands except per share amounts):

	Year Ended December 31, 2019
	First Quarter Ended March 31, 2019			Second Quarter Ended June 30, 2019			Third Quarter Ended September 30, 2019			Fourth Quarter Ended December 31, 2019			Year Ended December 31, 2019

Total revenues	$	2,012		$	7,210		$	2,509		$	8,634		$	20,365
Operating loss		(14,651	)		(10,165	)		(14,060	)		(8,985	)		(47,861	)
Net loss		(19,238	)		(11,498	)		(15,647	)		(10,410	)		(56,793	)
Net loss per share - basic and diluted	$	(0.20	)	$	(0.11	)	$	(0.15	)	$	(0.10	)	$	(0.54	)
Weighted average common shares - basic and diluted		95,452			106,238			106,938			106,680			104,307

	Six Months Ended December 31, 2018
	Quarter Ended September 30, 2018			Quarter Ended December 31, 2018			Six Months Ended December 31, 2018
	(1)
Total revenues	$	486		$	2,442		$	2,928
Operating loss		(13,554	)		(11,005	)		(24,559	)
Net loss		(33,126	)		(11,594	)		(44,720	)
Net loss per share - basic and diluted	$	(0.44	)	$	(0.12	)	$	(0.53	)
Weighted average common shares - basic and diluted		75,170			94,494			85,057

	Fiscal Year 2018
	First Quarter Ended September 30, 2017			Second Quarter Ended December 31, 2017			Third Quarter Ended March 31, 2018			Fourth Quarter Ended June 30, 2018			Year Ended June 30, 2018
							(1)			(1)
Total revenues	$	385		$	933		$	928		$	715		$	2,961
Operating loss		(6,006	)		(5,808	)		(4,678	)		(9,782	)		(26,274	)
Net loss		(5,983	)		(5,782	)		(6,978	)		(34,428	)		(53,171	)
Net loss per share - basic and diluted	$	(0.15	)	$	(0.13	)	$	(0.15	)	$	(0.62	)	$	(1.15	)
Weighted average common shares - basic and diluted		39,430			44,530			45,644			55,387			46,226

(1)

Results for the quarter ended September 30, 2018 and each of the third and fourth quarters of fiscal 2018 included $18.9 million, $2.3 million and $24.0 million, respectively, of change in fair value of derivative liability in connection with the Second Tranche Transaction (see Notes 11 and 13). The fourth quarter of fiscal 2018 includes an out-of-period expense of $1.2 million reflecting the increase in the fair value of the Company’s derivative liability which occurred, but was not recorded, in the third quarter of fiscal 2018.