8. Subordinated Convertible Debentures Payable (Tables)

12 Months Ended

Dec. 31, 2019

Convertible Subordinated Debt [Abstract]

Subordinated debentures payable

	2019		2018
	($ in thousands)
6.5%, due June, 1991	$	138	$	138
6%, due May, 1992		8,025		8,025
	$	8,163	$	8,163

6.5% subordinated convertible debenture

	2019		2018
	($ in thousands)
Original face value	$	1,034	$	1,034
Outstanding debenture principal balance		138		138
Face value of debentures surrendered		-		22
Face value of debentures escheated		-		287
Accrued and unpaid interest balance		279		270
Debenture reserve account balance		13		13
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