Annual report [Section 13 and 15(d), not S-K Item 405]

Private Placements of Common Stock and Warrants (Additional Information) (Details)

v3.26.1
Private Placements of Common Stock and Warrants (Additional Information) (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Feb. 27, 2026
USD ($)
Item
$ / shares
shares
Feb. 26, 2026
USD ($)
$ / shares
shares
Jan. 31, 2026
USD ($)
$ / shares
shares
Jan. 23, 2026
USD ($)
shares
Nov. 03, 2025
USD ($)
d
May 31, 2026
USD ($)
$ / shares
shares
Subsidiary or Equity Method Investee [Line Items]            
Term of purchase agreement         36 months  
Volume weighted average price         98.00%  
Pricing period (in days) | d         3  
Maximum percentage of average daily traded amount         100.00%  
Threshold trading days for payment of minimum amount of advance | d         5  
Maximum share commitment amount | $         $ 30,000  
Structuring fee | $         $ 25  
Percentage of share commitment fee         1.00%  
Percentage of shares issued as commitment fee         50.00%  
Percentage of shares issuable as commitment fee on six-month anniversary of purchase agreement         50.00%  
Prior written notice for termination (in days) | d         5  
Stock issued for tender offer (in shares)           3,200,000
Gross proceeds | $           $ 900
Cashless exercise of warrants, shares           400,000
Cashless exercise of warrants, warrants           600,000
Cashless exercise of warrants, exercise price | $ / shares           $ 0.09387
Private Placement Through Placement Agent [Member]            
Subsidiary or Equity Method Investee [Line Items]            
Class of warrants, exercise price | $ / shares     $ 0.26      
Percent of gross proceeds as placement agent fee 13.00%          
Number of share in a unit | Item 1          
Number of warrant in a unit | Item 1          
Number of shares per warrant 1          
Purchase price per unit | $ / shares $ 0.2153          
Percentage of intraday VWAP 90.00%          
Number of units sold 81,300,000          
Gross proceeds | $ $ 17,500          
Term of warrants     5 years      
Cash and non-cash issuance costs | $     $ 1,600      
Private Placement Through Placement Agent [Member] | Placement Agent Warrants            
Subsidiary or Equity Method Investee [Line Items]            
Number of warrants issued     12,200,000      
Term of warrants 10 years          
Private Placement Through Placement Agent [Member] | Right To Exchange Warrants [Member]            
Subsidiary or Equity Method Investee [Line Items]            
Common stock warrants to purchase shares 3,000,000          
Private Placement To Accredited Investor [Member]            
Subsidiary or Equity Method Investee [Line Items]            
Stock issued for tender offer (in shares)       3,944,773    
Gross proceeds | $       $ 1,000    
Purchase price per unit | $ / shares   $ 0.2153        
Number of units sold   464,468        
Gross proceeds | $   $ 100