XML 73 R57.htm IDEA: XBRL DOCUMENT v3.24.1
Note 10 - Common and Preferred Stock (Details Textual)
 12 Months Ended 30 Months Ended
Jul. 02, 2021
USD ($)
Jul. 01, 2021
USD ($)
$ / shares
shares
Jun. 29, 2021
$ / shares
shares
Mar. 05, 2020
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Jul. 02, 2026
$ / shares
Jan. 31, 2013
shares
Common Stock, Shares Authorized (in shares)         85,000,000 70,000,000 85,000,000    
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.01 $ 0.01 $ 0.01    
Common Stock, Shares, Issued (in shares)         66,710,795 55,823,810 66,710,795    
Proceeds from Issuance of Common Stock | $         $ 38,490,000 $ 21,636,000      
Common Stock, Capital Shares Reserved for Future Issuance (in shares)                 400,000
Preferred Stock, Shares Issued, Total (in shares)         329 329 329    
Preferred Stock, Dividend Rate, Percentage         8.875% 8.875%      
Preferred Stock, Shares Authorized (in shares)         100,000 100,000 100,000    
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.01 $ 0.01 $ 0.01    
Payments of Dividends | $         $ 5,106,000 $ 5,106,000 $ 11,661,000    
Common Stock, Shares, Outstanding (in shares)         66,710,795 55,823,810 66,710,795    
Preferred Class A [Member]                  
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)       405.05          
Series 1 Preferred Stock [Member]                  
Conversion of Stock, Shares Converted (in shares)         9,671        
Conversion of Stock, Shares Issued (in shares)         3,917,235        
Preferred Stock, Shares Issued, Total (in shares)         329   329    
Depository Shares [Member]                  
Preferred Stock, Shares Per Depository Share (in dollars per share) | $ / shares     $ 0.001            
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares   $ 25              
Preferred Stock, Liquidation Preference Per Share Per Year   2.21875              
Dividends Payable, Amount Per Share (in dollars per share) | $ / shares         $ 0.56   $ 0.56    
Depository Shares [Member] | Forecast [Member]                  
Preferred Stock, Redemption Price Per Share (in dollars per share) | $ / shares               $ 25  
Depository Shares [Member] | Upon Change of Control [Member]                  
Preferred Stock, Redemption Price Per Share (in dollars per share) | $ / shares   $ 25              
Depository Shares [Member] | Sale Including Overallotment Option [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)     2,000,000            
Sale Including Overallotment Option [Member] | Sale Including Overallotment Option [Member] | Maximum [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)     300,000            
Series A Preferred Stock [Member]                  
Preferred Stock, Shares Issued, Total (in shares)         2,300 2,300 2,300    
Preferred Stock, Dividend Rate, Percentage 8.875% 8.875% 8.875%   8.875% 8.875%      
Proceeds From Issuance of Preferred Stock, Net of Issuance Costs | $ $ 54,000,000                
Preferred Stock, Shares Authorized (in shares)   7,500     7,500 7,500 7,500    
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares   $ 0.01     $ 0.01 $ 0.01 $ 0.01    
Preferred Stock, Liquidation Preference, Value | $   $ 25,000              
Preferred Stock, Liquidation Preference Per Share Per Year   2,218.75              
Dividends Payable, Amount Per Share (in dollars per share) | $ / shares         $ 560   $ 560    
Conversion of Stock, Shares Cap (in shares)   3,748.13              
Series A Preferred Stock [Member] | Forecast [Member]                  
Preferred Stock, Redemption Price Per Share (in dollars per share) | $ / shares               $ 25,000  
Series A Preferred Stock [Member] | Upon Change of Control [Member]                  
Preferred Stock, Redemption Price Per Share (in dollars per share) | $ / shares   $ 25,000              
Conversion of Convertible Senior Notes 2020 into Preferred Stock [Member]                  
Debt Conversion, Converted Instrument, Shares Issued (in shares)       10,000          
Water Project with Brownstein [Member]                  
Costs and Expenses, Related Party | $         $ 800,000 $ 1,500,000      
Certain Institutional and Individual Investors [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)         10,500,000 11,857,140      
Proceeds from Issuance of Common Stock | $         $ 38,500,000 $ 21,600,000