Note 6 - Loss per Common Share (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		*Three months ended March 31,*
		*2026*				*2025*
Net loss		$	(14,611	)		$	(14,385	)
Weighted-average shares of common stock outstanding			4,763,731				4,614,510
Dilutive effect of share based compensation awards using the treasury stock method			—				—
Diluted weighted-average shares of common stock outstanding			4,763,731				4,614,510
Basic loss per common share		$	(3.07	)		$	(3.12	)
Diluted loss per common share		$	(3.07	)		$	(3.12	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		*Three months ended March 31,*
		*2026*				*2025*
Shares subject to unvested or deferred performance and restricted stock units			228,779				377,812
Shares subject to stock options outstanding			26,956				35,975