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The Company (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 28, 2025
Jan. 31, 2025
Nov. 30, 2022
Mar. 31, 2025
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2030
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]                
Shares repurchased, at cost $ 49,500,000              
Shares repurchases (in shares) 5,270,845              
Repurchase share price (in dollars per share) $ 9.40              
Accumulated deficit         $ 546,190,000     $ 530,950,000
Net cash used in operating activities         9,568,000 $ 11,428,000    
Cash, cash equivalents, and short-term investments         62,100,000      
RNS System                
Finite-Lived Intangible Assets [Line Items]                
Minimum annual net revenue in next twelve months         90,000,000      
Minimum annual net revenue thereafter         35,000,000      
Maximum annual net revenue         69,200,000      
Annual net revenue         71,600,000      
Minimum liquidity threshold balance         25,000,000.0      
RNS System | Forecast                
Finite-Lived Intangible Assets [Line Items]                
Maximum annual net revenue             $ 87,300,000  
MidCap Agreement                
Finite-Lived Intangible Assets [Line Items]                
Covenant liquidity threshold amount in next two years         60,000,000      
Covenant liquidity threshold amount in thereafter         40,000,000      
At-the-Market Equity Offering                
Finite-Lived Intangible Assets [Line Items]                
Proceeds from issuance of preferred stock, preference stock, and warrants     $ 150,000,000          
Proceeds from issuance or sale by company of common stock     $ 50,000,000          
Percentage of shares of common stock sold under sales agreement     3.00%          
Number of shares issued in transaction (in shares)   18,590   444,555        
Proceeds from issuance of common stock   $ 200,000   $ 3,400,000 232,000 0    
Aggregate net proceeds   $ 200,000   $ 3,200,000        
Amount remaining under ATM program $ 38,300,000              
Follow-on Offering                
Finite-Lived Intangible Assets [Line Items]                
Number of shares issued in transaction (in shares) 7,475,000              
Proceeds from issuance of common stock         $ 69,704,000 $ 0    
Sale of stock (in dollars per share) $ 10.00              
Consideration received on transaction $ 69,700,000              
Over-Allotment Option                
Finite-Lived Intangible Assets [Line Items]                
Number of shares issued in transaction (in shares) 975,000