Combined Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 74,484	$ 879
Prepaid expenses and other current assets (including related party amounts of $36 and $19, respectively)	3,169	23
Total current assets	77,653	902
Property, plant and equipment, net	40
Other assets	2,013
Total assets	79,706	902
Current liabilities:
Accounts payable (including related party amounts of $57 and $45, respectively)	439	55
Accrued expenses (including related party amounts of $176 and $2, respectively)	2,120	170
Accrued interest (including related party amounts of $483 and $13, respectively)	2,332	13
Convertible promissory notes payable at fair value (including related party amounts of $21,103 and $1,950, respectively)	95,229	1,950
Warrant liabilities (including related party amounts of ($106,925 and $0, respectively)	107,373
Total current liabilities	207,493	2,188
Long-term debt, net of discount	22,611
Other long-term liabilities	2,063
Total liabilities	232,167	2,188
Commitments and contingencies (Note 3)
Stockholders’ deficit:
Additional paid-in capital	5,952	2
Accumulated deficit	(158,413)	(1,288)
Total stockholders’ deficit	(152,461)	(1,286)
Total liabilities and stockholders’ deficit	$ 79,706	$ 902