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15. Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value Of Financial Instruments Tables  
Estimated fair values of the Company's financial instruments

    2017      2016  
    ($ in thousands)  
    Carrying     Fair     Carrying     Fair  
    Amount     Value     Amount     Value  
Cash   $ 159     $ 159     $ 958     $ 958  
Receivables     573       573       -       -  
Accounts payable     15       15       26       26  
Debt     9,670       -       9,670       -