CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Prepaid expenses and other current assets of restricted cash	$ 656	$ 656
Other long term assets of restricted cash	$ 332	$ 332
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred stock, shares issued (in shares)	91,623	91,623
Preferred stock, shares outstanding (in shares)	91,623	91,623
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	160,000,000	160,000,000
Common stock, shares issued (in shares)	78,395,299	79,260,667
Common stock, shares outstanding (in shares)	78,395,299	79,260,667