8. Subordinated Convertible Debentures Payable (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Subordinated Convertible Debentures Payable Details Narrative
Debenture reserve funds utilized	$ 41	$ 41
Subordi-nated convertible debentures	8,472	8,472
Accrued and unpaid interest	25,032	23,743
Subordinate to senior indebtedness	$ 1,198	$ 1,198