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15. Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2018
Fair Value Of Financial Instruments  
Estimated fair values of the Company's financial instruments
    2018     2017  
    ($ in thousands)  
    Carrying     Fair     Carrying     Fair  
    Amount     Value     Amount     Value  
Cash   $ 526     $ 526     $ 159     $ 159  
Receivables     -       -       573       573  
Accounts payable     18       18       15       15  
Debt     9,361       -       9,670       -