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Selected Balance Sheet Information (Tables)

6 Months Ended

Jun. 30, 2025

Selected Balance Sheet Information

Schedule of prepaid expenses and other current assets

Prepaid expenses and other current assets (in thousands)

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 31,
​		2025			2024
Prepaid manufacturing expenses	​	$	240	​	$	375
Prepaid insurance	​	​	208	​	​	374
Prepaid consulting, subscriptions and other expenses	​	​	248	​	​	235
VAT receivable	​	​	157	​	​	95
Prepaid clinical research organizations	​	​	48	​	​	365
​	​	​	​	​	​	​
Total	​	$	901	​	$	1,444

Schedule of property and equipment, net

Property and equipment, net (in thousands)

​

​	​	​	​	​	​	​
​		June 30,		​	December 31,
​		2025			2024
Computers and office equipment	​	$	735	​	$	708
Other property, plant and equipment	​	​	442	​	​	392
Leasehold improvements	​		94	​		94
Software	​		11	​		11
​	​		1,282	​		1,205
Less: accumulated depreciation and amortization	​		(1,024)	​		(935)
​	​	​	​	​	​	​
Total	​	$	258	​	$	270

Schedule of accrued expenses

Accrued expenses (in thousands)

​

​	​	​	​	​	​	​
​		June 30,		​	December 31,
​		2025			2024
Milestone due to Grifols	​	$	5,986	​	$	—
Accrued clinical consulting services	​	​	2,540	​	​	2,390
Accrued manufacturing costs	​		275	​		772
Accrued vendor payments	​	​	216	​	​	206
​	​	​	​	​	​	​
Total	​	$	9,017	​	$	3,368

Schedule of accrued employee benefits

Accrued employee benefits (in thousands)

​

​	​	​	​	​	​	​
​		June 30,		​	December 31,
​		2025			2024
Accrued bonus expense	​	$	448	​	$	870
Accrued compensation expense	​	​	201	​	​	187
Accrued vacation expense	​		110	​		87
​	​	​	​	​	​	​
Total	​	$	759	​	$	1,144

​

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+ References

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

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