Consolidated Statements of Operations - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenues	$ 7,806,000	$ 7,298,000
Operating expenses:
Research and development	7,166,000	15,518,000
General and administrative	7,785,000	6,520,000
Loss on MannKind Transaction	2,618,000
Total operating expenses	17,569,000	22,038,000
Loss from operations	(9,763,000)	(14,740,000)
Other income (expense):
Interest income	467,000	867,000
Fair value adjustment of warrants	(67,000)	0
Other expense, net	(196,000)	(248,000)
Total other income, net	204,000	619,000
Net loss	$ (9,559,000)	$ (14,121,000)
Net loss per share attributable to common stockholders basic	$ (2.62)	$ (3.87)
Net loss per share attributable to common stockholders diluted	$ (2.62)	$ (3.87)
Weighted average common shares outstanding basic	3,652,285	3,651,911
Weighted average common shares outstanding diluted	3,652,285	3,651,911

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.