v3.26.3
Common and Preferred Stock (FY) (Details)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
May 08, 2025
USD ($)
Feb. 29, 2024
USD ($)
May 10, 2022
USD ($)
Class of Stock [Line Items]              
Common stock authorized (in shares) | shares | shares 200,000,000   200,000,000 200,000,000      
Dividends declared (in Dollars) | $ $ 0   $ 0        
Proceeds from at the market offering of common stock, net of issuance costs (in Dollars) | $ $ 0 $ 347,000 $ 5,939,000 $ 23,576,000      
Preferred stock authorized (in shares) | shares | shares 5,000,000   5,000,000 5,000,000      
Preferred stock outstanding (in shares) | shares | shares 0   0 0      
Preferred stock issued (in shares) | shares | shares 0   0 0      
ATM Offering              
Class of Stock [Line Items]              
Sales commissions, percentage             0.03
Issuance of common stock from at the market offering, net of issuance costs (in shares) | shares | shares 0 421,766 3,626,701 5,272,538      
Price per share (in usd per share) (in Dollars per share) | $ / shares   $ 1.33 $ 1.77 $ 4.71      
Proceeds from at the market offering of common stock, net of issuance costs (in Dollars) | $   $ 300,000 $ 5,900,000 $ 23,500,000      
Maximum | ATM Offering              
Class of Stock [Line Items]              
Common stock, amount authorized (in Dollars) | $           $ 75,000,000 $ 50,000,000
Maximum | ATM Offering - Baby Shelf Limitation              
Class of Stock [Line Items]              
Common stock, amount authorized (in Dollars) | $         $ 12,500,000