Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 1,904	$ 3,400
Short-term investments	26,840	86,732
OMIDRIA contract royalty asset	28,221	29,083
Receivables	6,276	7,739
Prepaid expense and other assets	6,406	7,166
Total current assets	69,647	134,120
OMIDRIA contract royalty asset, non-current	114,735	124,266
Right of use assets	12,894	14,961
Property and equipment, net	2,239	2,678
Restricted investments	1,054	1,054
Total assets	200,569	277,079
Current liabilities:
Accounts payable	8,838	5,905
Accrued expenses	26,277	26,005
OMIDRIA royalty obligation	19,596	20,645
Convertible senior notes, net	17,017	0
Term debt	0	21,000
Share-settled liability	7,627	0
Lease liabilities	6,148	5,971
Total current liabilities	85,503	79,526
OMIDRIA royalty obligation, non-current	178,082	195,612
Convertible senior notes, non-current, net	63,474	97,178
Term debt, non-current, net	87,313	69,405
Lease liabilities, non-current	10,381	13,466
Other accrued liabilities, non-current	4,501	4,501
Shareholders’ deficit:
Preferred stock, par value $0.01 per share, 20,000,000 shares authorized; none issued and outstanding at June 30, 2025 and December 31, 2024.	0	0
Common stock, par value $0.01 per share, 150,000,000 shares authorized at June 30, 2025 and December 31, 2024; 60,022,332 and 58,044,465 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively.	599	580
Additional paid-in capital	739,945	727,156
Accumulated deficit	(969,229)	(910,345)
Total shareholders’ deficit	(228,685)	(182,609)
Total liabilities and shareholders’ deficit	$ 200,569	$ 277,079