Annual report pursuant to Section 13 and 15(d)

Note 9 - Investments (Details Textual)

v3.24.1
Note 9 - Investments (Details Textual) - USD ($)
 3 Months Ended 12 Months Ended
Feb. 15, 2021
Mar. 31, 2022
Dec. 31, 2023
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount     $ 1,400,000
LiNiCo [Member]      
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount     1,400,000
Receivable, Investment, Sale     $ 600,000
LiNiCo [Member]      
Series A Preferred Stock Purchase Agreement, Initial Sale of Stock (in shares) 375,000    
Series A Preferred Stock Purchase Agreement, Approximate Proceeds from Initial Sale of Stock $ 1,500,000    
Series A Preferred Stock Purchase Agreement, Approximate Proceeds from Aggregate Sale of Stock $ 232,000    
LiNiCo [Member]      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners   12.00%  
LiNiCo [Member] | Comstock Mining Inc. [Member]      
Ownership Percentage 88.00%    
Series A Preferred Stock [Member] | LiNiCo [Member]      
Preferred Stock, Dividend Rate, Percentage 8.00%    
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 1,000    
LiNiCo [Member] | Series A Preferred Stock [Member]      
Stock Issued During Period, Shares, Equity Method Invesment (in shares) 375,000    
Shares Received in Exchange of Common Stock Issued (in shares) 1,500    
Value of Shares Received in Exchange of Common Stock Issued $ 1,500,000    
Investment Warrant, Term (Year) 3 years    
Investment Warrant, Exercised During Period (in shares)   500  
Investment Owned, Balance, Shares (in shares)   2,000