CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 145,533	$ 100,808
Short-term investments	75,431	56,458
OMIDRIA contract royalty asset, short-term	47,744	44,319
Receivables, net	13,854	38,155
Prepaid expense and other assets	5,983	8,216
Total current assets	288,545	247,956
OMIDRIA contract royalty asset	143,641	140,251
Right of use assets	22,464	28,276
Property and equipment, net	1,847	1,731
Restricted investments	1,054	1,054
Total assets	457,551	419,268
Current liabilities:
Accounts payable	17,089	13,400
Accrued expenses	18,016	33,134
Current portion of lease liabilities	4,409	5,255
Total current liabilities	39,514	51,789
Unsecured convertible senior notes, net	314,819	313,458
OMIDRIA royalty obligation	125,000
Lease liabilities, non-current	23,533	29,126
Other accrued liabilities - noncurrent	999	1,115
Commitments and contingencies (Note 10)
Shareholders' equity (deficit):
Preferred stock, par value $0.01 per share, 20,000,000 shares authorized; none issued and outstanding at September 30, 2022 and December 31, 2021.
Common stock, par value $0.01 per share, 150,000,000 shares authorized at September 30, 2022 and December 31, 2021; 62,730,015 and 62,628,855 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	627	626
Additional paid-in capital	717,509	706,288
Accumulated deficit	(764,450)	(683,134)
Total shareholders' equity (deficit)	(46,314)	23,780
Total liabilities and shareholders' equity (deficit)	$ 457,551	$ 419,268