v3.26.1
Long-term Debt - Perceptive Term Loan and MidCap Term Loan (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Nov. 14, 2025
May 26, 2022
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Long-term Debt            
Common stock, Par value (in dollars per share)     $ 0.001   $ 0.001 $ 0.001
Minimum            
Long-term Debt            
Prepayment premium 2.00%          
Maximum            
Long-term Debt            
Prepayment premium 10.00%          
Perceptive term loan            
Long-term Debt            
Maximum borrowing capacity $ 70,000          
Initial loan capacity 60,000          
Additional loan capacity $ 10,000          
Maturity date Nov. 14, 2030          
Debt amount     $ 60,000   $ 60,000 $ 60,000
Variable Interest Rate (as a percent) 7.85%          
Interest rate, floor (as a percent) 4.25%          
Applicable margin increase 3.00%          
Common stock, Par value (in dollars per share) $ 0.001          
Additional debt issuance cost $ 1,400          
Minimum liquidity $ 5,000          
Interest expenses     2,100   4,100  
Amortization of debt issuance costs     $ 200   $ 500  
Perceptive term loan | Initial loan warrants            
Long-term Debt            
Warrants to purchase shares of the company 2,000,000          
Warrants exercise price $ 1.11          
Perceptive term loan | Perceptive additional warrants            
Long-term Debt            
Warrants to purchase shares of the company 333,333          
Warrants exercise price $ 1.11          
Number of warrants exercised         0  
MidCap term loan            
Long-term Debt            
Debt amount   $ 40,000        
Interest Rate (as a percent)   6.25%        
Variable Interest Rate (as a percent)   1.00%        
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   tela:SecuredOvernightFinancingRateSofrOneMonthTermMember        
Interest expenses       $ 1,200 $ 2,400  
Amortization of debt issuance costs       $ 100 $ 300