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Note 5 - Certain Balance Sheet Accounts

12 Months Ended

Dec. 31, 2023

Supplemental Balance Sheet Disclosures [Text Block]

Note 5—Certain Balance Sheet Accounts

Receivables

Receivables consists of the following:

	*December 31,*		*December 31,*
	*2023*		*2022*
	(In thousands)
OMIDRIA milestone receivable	$	—	$	200,000
OMIDRIA royalty receivables		6,724		12,966
Other receivables		1,372		255
Total receivables	$	8,096	$	213,221

Property and Equipment, Net

Property and equipment, net consists of the following:

	*December 31,*			*December 31,*
	*2023*			*2022*
	(In thousands)
Equipment under finance leases	$	6,929		$	6,204
Laboratory equipment		3,525			3,135
Computer equipment		1,113			1,076
Office equipment and furniture		624			625
Total cost		12,191			11,040
Less accumulated depreciation and amortization		(10,241	)		(9,548	)
Total property and equipment, net	$	1,950		$	1,492

For the years ended December 31, 2023, 2022 and 2021, depreciation and amortization expenses were $0.9 million, $1.0 million and $1.4 million, respectively.

Accrued Expenses

Accrued expenses consist of the following:

	*December 31,*		*December 31,*
	*2023*		*2022*
	(In thousands)
Clinical trials	$	10,168	$	5,536
Employee compensation		7,380		6,665
Contract research and development		6,223		3,209
Interest payable		4,242		5,172
Consulting and professional fees		3,539		4,425
Other accrued expenses		316		5,544
Total accrued expenses	$	31,868	$	30,551