Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 72,697	$ 4,952
Prepaid expenses and other current assets	5,158	82
Income tax receivable	4,666	0
Other receivables	296	35
Economic interest in Priority Review Voucher ("PRV"), held for sale	87,920	0
Total current assets	170,737	5,069
Non-current assets:
Property and equipment, net	834	84
Right-of-use asset	627	373
Total non-current assets	1,461	457
Total assets	172,198	5,526
Current liabilities:
Accounts payable	155	365
Accrued expenses	5,944	709
Current portion of lease liability	731	189
Current portion of notes payable	11	0
PRV related liability, held for sale	35,720	0
Total current liabilities	42,561	1,263
Long-term liabilities:
Royalty obligation payable to Iowa Economic Development Authority	6,000	0
Lease liability	88	191
Deferred tax liability	7,084	0
Total long-term liabilities	13,172	191
Total liabilities	55,733	1,454
Stockholders' equity:
Undesignated preferred stock, $0.01 par value: Authorized shares - 5,000,000 at June 30, 2020 and December 31, 2019, respectively: issued and outstanding shares - 0 at June 30, 2020 and December 31, 2019	0	0
Common stock, $0.01 par value: Authorized shares - 75,000,000 and 36,000,000 at June 30, 2020 and December 31, 2019, respectively; issued and outstanding 8,293,312 and 1,177,933 at June 30, 2020 and December 31, 2019, respectively	83	12
Additional paid-in capital	181,723	202
Accumulated deficit	(65,341)	(59,677)
Total stockholders' equity (deficit)	116,465	(59,463)
Total liabilities, redeemable convertible preferred stock and stockholders' equity	172,198	5,526
Preferred Stock Series A
Long-term liabilities:
Redeemable convertible preferred stock:	0	21,904
Stockholders' equity:
Total stockholders' equity (deficit)	0	21,904
Preferred Stock Series B
Long-term liabilities:
Redeemable convertible preferred stock:	0	41,631
Stockholders' equity:
Total stockholders' equity (deficit)	$ 0	$ 41,631