v3.26.1
Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Warrant issued (in shares) 2,553,192 2,553,192
Warrant outstanding (in shares) 2,553,192 2,553,192
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares issued (in shares) 39,292,464 39,662,049
Common stock, shares outstanding (in shares) 39,292,464 39,662,049
Series A Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 50,000 50,000
Preferred stock, shares issued (in shares) 1,266 1,296
Preferred stock, shares outstanding (in shares) 1,266 1,296
Preferred stock, liquidation preference $ 1,266,000 $ 1,296,000
Series 1 Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 97,000 97,000
Preferred stock, shares issued (in shares) 13,213 13,315
Preferred stock, shares outstanding (in shares) 13,213 13,315
Preferred stock, liquidation preference $ 13,213,000 $ 13,315,000
Series 2 Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 60,000 60,000
Preferred stock, shares issued (in shares) 46,000 46,000
Preferred stock, liquidation preference $ 0 $ 0
Preferred stock, shares converted (in shares) 46,000 46,000