8. Subordinated Convertible Debentures Payable (Details 1) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Subordinated Convertible Debentures Payable Details 1
Original face value	$ 1,034	$ 1,034
Outstanding debenture principal balance	447	447
Accrued and unpaid interest balance	846	817
Debenture reserve account balance	$ 41	$ 41