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Shareholders Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Beginning Balance, Amount $ 21,646 $ 23,183
Stock Option Expense 67 13
Issuance Of Shares - Atm, net   2,023
Issuance Of Shares - Option Exercises   19
Net Loss (380) (514)
Ending Balance, Amount 21,333 24,724
Additional Paid-in Capital    
Beginning Balance, Amount 74,886 72,523
Stock Option Expense 67 13
Issuance Of Shares - Option Exercises   18
Net Loss 0 0
Ending Balance, Amount 74,953 74,550
Issuance Of Shares - Atm, Net, Amount   1,996
Accumulated Deficit    
Beginning Balance, Amount (53,888) (49,960)
Stock Option Expense 0 0
Issuance Of Shares - Option Exercises   0
Net Loss (380) (514)
Ending Balance, Amount (54,268) (50,474)
Issuance Of Shares - Atm, Net, Amount   0
Common Stock    
Beginning Balance, Amount 648 620
Stock Option Expense 0 0
Issuance Of Shares - Option Exercises   1
Net Loss 0 0
Ending Balance, Amount $ 648 $ 648
Beggining Balance, Shares 64,801,373 62,036,399
Issuance Of Shares - Atm, Net, Shares   2,650,724
Issuance Of Shares - Atm, Net, Amount   $ 27
Issuance Of Shares - Option Exercises, Shares   73,000
Ending Balance, Shares 64,801,373 64,760,123