Quarterly report [Sections 13 or 15(d)]

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.25.4
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2025
Sep. 30, 2025
Stockholders' equity:    
Trade receivables, net of allowance for doubtful accounts $ 0.4 $ 0.6
Common stock, par value (in usd per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 10,000,000 10,000,000
Common stock, shares issued (in shares) 3,071,656 3,071,656
Common stock, shares outstanding (in shares) 3,071,656 3,071,656
Treasury stock common shares (in shares) 754,391 754,391
Series E Convertible Preferred Stock    
Stockholders' equity:    
Preferred stock, par value (in usd per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 200,000 200,000
Preferred stock, shares issued (in shares) 47,840 47,840
Preferred stock, outstanding shares (in shares) 47,840 47,840
Preferred stock, liquidation preference (in usd per share) $ 0.30 $ 0.30
Treasury stock, Series E preferred shares (in shares) 80,000 80,000