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Notes and lines of credit consist of the following: (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Strandler LLC [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Description Strandler, LLC  
Line of Credit Facility, Commitment Fee Percentage 4.00%  
Line of Credit Facility, Current Borrowing Capacity $ 1,000  
Line of Credit Facility, Maximum Borrowing Capacity $ 1,000  
Beachcorp, LLC [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Description Beachcorp, LLC  
Line of Credit Facility, Commitment Fee Percentage 5.25%  
Line of Credit Facility, Current Borrowing Capacity   $ 1,000
Line of Credit Facility, Maximum Borrowing Capacity   1,000
Beachcorp LLC One [Member]    
Line of Credit Facility [Line Items]    
Line of Credit Facility, Description Beachcorp, LLC  
Line of Credit Facility, Commitment Fee Percentage 4.00%  
Line of Credit Facility, Current Borrowing Capacity $ 4,972 3,753
Line of Credit Facility, Maximum Borrowing Capacity $ 3,709 $ 3,365