8. Subordinated Convertible Debentures Payable (Tables)

12 Months Ended

Dec. 31, 2018

Convertible Subordinated Debt [Abstract]

Subordinated debentures payable

	2018		2017
	($ in thousands)
6.5%, due June, 1991	$	138	$	447
6%, due May, 1992		8,025		8,025
	$	8,163	$	8,472

6.5% subordinated convertible debenture

	2018		2017
	($ in thousands)
Original face value	$	1,034	$	1,034
Outstanding debenture principal balance		138		447
Face value of debentures surrendered		22		-
Face value of debentures escheated		287		-
Accrued and unpaid interest balance		270		846
Debenture reserve account balance		13		41
Debenture reserve funds utilized
in payment of final distribution		2		-
Debenture reserve funds utilized
in escheatment to states of debenture holders		26		-
Forgiveness of debt		281		-
Forgiveness of interest		594		-