Annual report [Section 13 and 15(d), not S-K Item 405]

Consolidated Statements of Stockholders' Equity

Consolidated Statements of Stockholders' Equity - USD ($)	Consulting Fees [Member] Common Stock Outstanding [Member]	Consulting Fees [Member] Additional Paid-in Capital [Member]	Consulting Fees [Member] Retained Earnings [Member]	Consulting Fees [Member] Treasury Stock, Common [Member]	Consulting Fees [Member]	Public Offering [Member] Common Stock Outstanding [Member]	Public Offering [Member] Additional Paid-in Capital [Member]	Public Offering [Member] Retained Earnings [Member]	Public Offering [Member] Treasury Stock, Common [Member]	Public Offering [Member]	ATM [Member] Common Stock Outstanding [Member]	ATM [Member] Additional Paid-in Capital [Member]	ATM [Member] Retained Earnings [Member]	ATM [Member] Treasury Stock, Common [Member]	ATM [Member]	ELOC [Member] Common Stock Outstanding [Member]	ELOC [Member] Additional Paid-in Capital [Member]	ELOC [Member]	Director Fees [Member] Common Stock Outstanding [Member]	Director Fees [Member] Additional Paid-in Capital [Member]	Director Fees [Member] Retained Earnings [Member]	Director Fees [Member] Treasury Stock, Common [Member]	Director Fees [Member]	Broker Fees [Member] Common Stock Outstanding [Member]	Broker Fees [Member] Additional Paid-in Capital [Member]	Broker Fees [Member] Retained Earnings [Member]	Broker Fees [Member] Treasury Stock, Common [Member]	Broker Fees [Member]	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2023																													539,401
Balance at Dec. 31, 2023																													$ 1,000	$ 249,794,000	$ (223,215,000)	$ (516,000)	$ 26,064,000
Balance (in shares) at Dec. 31, 2023																																2,143
Stock-based compensation																													$ 0	2,726,000	0	$ 0	2,726,000
RSUs issued for consulting services (in shares)	2,011			0															942			0
RSUs issued for consulting services	$ 0	$ 150,000	$ 0	$ 0	$ 150,000														$ 0	$ 37,000	$ 0	$ 0	$ 37,000
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting (in shares)																													9,585			799
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting																													$ 0	(875,000)	0	$ 324,000	$ (551,000)
Common stock issued (in shares)						100,625			0		119,503			0	119,503
Common stock issued						$ 0	$ 7,306,000	$ 0	$ 0	$ 7,306,000	$ 0	$ 5,014,000	$ 0	$ 0	$ 5,014,000
Common stock issued for employee stock purchase plan sales (in shares)																													1,064			0	1,064
Common stock issued for employee stock purchase plan sales																													$ 0	54,000	0	$ 0	$ 54,000
Common stock cancelled for cash in lieu of fractional shares reverse split (in shares)																													(47)			0
Common stock cancelled for cash in lieu of fractional shares reverse split																													$ 0	(1,000)	0	$ 0	(1,000)
Common stock cancelled for cash in lieu of fractional shares reverse split (in shares)																													47			0
Net loss																													$ 0	0	(24,555,000)	$ 0	(24,555,000)
Balance (in shares) at Dec. 31, 2024																													773,084
Balance at Dec. 31, 2024																													$ 1,000	264,205,000	(247,770,000)	$ (192,000)	$ 16,244,000
Balance (in shares) at Dec. 31, 2024																																2,942	2,942
Stock-based compensation																													$ 0	2,285,000	0	$ 0	$ 2,285,000
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting (in shares)																													56,956			2,364
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting																													$ 0	(309,000)	0	$ 163,000	(146,000)
Common stock issued (in shares)						205,213			0		836,219			0	836,219	177,283								22,717			0
Common stock issued						$ 0	$ 11,939,000	$ 0	$ 0	$ 11,939,000	$ 1,000	$ 5,930,000	$ 0	$ 0	$ 5,931,000	$ 0	$ 903,000	$ 903,000						$ 0	$ 261,000	$ 0	$ 0	$ 261,000
Common stock cancelled for cash in lieu of fractional shares reverse split (in shares)																													(461)
Common stock cancelled for cash in lieu of fractional shares reverse split																													$ 0	(2,000)			(2,000)
Common stock cancelled for cash in lieu of fractional shares reverse split (in shares)																													461
Net loss																													$ 0	0	(22,646,000)	$ 0	(22,646,000)
Common stock issued for exercise of pre-funded warrants (in shares)																													928,581			0
Common stock issued for exercise of pre-funded warrants																													$ 1,000	0	0	$ 0	1,000
Balance (in shares) at Dec. 31, 2025																													2,999,592
Balance at Dec. 31, 2025																													$ 3,000	$ 285,212,000	$ (270,416,000)	$ (29,000)	$ 14,770,000
Balance (in shares) at Dec. 31, 2025																																5,306	5,306