v3.26.1
Note 10 - Capital Stock (Details Textual)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Nov. 14, 2025
USD ($)
Jan. 10, 2025
USD ($)
shares
May 09, 2024
USD ($)
$ / shares
shares
May 31, 2024
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
shares
Mar. 31, 2025
shares
Jul. 23, 2024
USD ($)
May 31, 2022
shares
Apr. 25, 2022
$ / shares
shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares                           $ 0.001
Offering of Debt Securities and Warrants, Maximum (in shares)                           500,000,000
Treasury Stock, Value, Acquired, Cost Method | $         $ 5,757 $ 4,808                
Payments for Repurchase of Equity | $             $ 10,574 $ 87            
Separation Agreement [Member]                            
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares     $ 0.0001                      
Securities Repurchase Agreement, Consideration Transferred | $     $ 9,200                      
Payments for Repurchase of Equity | $     $ 8,800                      
Stock Issued During Period, Shares, Repurchase of Equity (in shares)     36,705                      
Deferred Compensation Arrangement with Individual, Shares Issued (in shares)     200,000                      
Severance Costs | $     $ 960                      
Deferred Compensation Arrangement with Individual, Recorded Liability | $     75                      
Compensation Expense, Excluding Cost of Good and Service Sold | $     $ 250                      
Warrants for Common Class A Stock [Member]                            
Class of Warrant or Right, Outstanding (in shares)         0   0       784      
Class of Warrant or Right, Exercised During Period (in shares)   52,778                        
Class of Warrant or Right, Exercised Shares, Value | $   $ 525                        
Common Stock, Voting Rights Per Share                   10        
Warrants for Common Class B Stock [Member] | Separation Agreement [Member]                            
Class of Warrant or Right, Repurchased During the Period (in shares)     51,994                      
Boulderado [Member] | Separation Agreement [Member]                            
Securities Repurchase Agreement, Consideration Transferred | $     $ 10,000                      
Payments for Repurchase of Equity | $     $ 8,000                      
Common Class A [Member]                            
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.001   $ 0.001   $ 0.001          
Maximum Shares of Common Stock Registered by Certain Selling Shareholders (in shares)                           8,297,039
Shares of Common Stock Registered by Certain Selling Shareholders (in shares)           7,713,933                
Common Class A [Member] | Separation Agreement [Member]                            
Stock Repurchased During Period, Shares (in shares)     210,000                      
Common Class A [Member] | Share Repurchase Program [Member]                            
Treasury Stock, Shares, Acquired (in shares)                 0 111,323        
Treasury Stock, Value, Acquired, Cost Method | $                   $ 1,600        
Common Class A [Member] | Share Repurchase Program [Member]                            
Share Repurchase Program, Authorized, Amount | $                       $ 20,000    
Common Class A [Member] | The 2025 Share Repurchase Program [Member]                            
Treasury Stock, Shares, Acquired (in shares)             826,567   444,753          
Share Repurchase Program, Authorized, Amount | $ $ 30,000                          
Share Repurchase Program, Authorized, Percentage of Outstanding Shares 25.00%                          
Treasury Stock, Value, Acquired, Cost Method | $             $ 10,600   $ 5,800          
Common Class A [Member] | Boulderado and Magnolia [Member]                            
Maximum Shares of Common Stock Registered by Certain Selling Shareholders (in shares)                         1,018,660  
Treasury Stock, Shares, Acquired (in shares)       522,231                    
Common Class B [Member]                            
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.001   $ 0.001   $ 0.001          
Common Class B [Member] | Separation Agreement [Member]                            
Stock Repurchased During Period, Shares (in shares)     527,780                      
Sky Harbour Group Corporation Class A Common Stock [Member] | Boulderado [Member] | Separation Agreement [Member]                            
Securities Repurchase Agreement, Equity Issued (in shares)     194,738