7. Notes Payable (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Credit agreements with the Company's primary lender and notes payable

	2018		2017
	($ in thousands)
Notes Payable-
At prime plus 2%, due October 1, 1985	$	176	$	176
At prime plus 2%, due October 1, 1987		1,000		1,000
Non-interest bearing, due August 1, 1993		22		22
	$	1,198	$	1,198

Accrued interest on notes payable

	2018		2017
	($ in thousands)
Notes Payable-
At prime plus 2%, due October 1, 1985	$	464	$	452
At prime plus 2%, due October 1, 1987		2,835		2,766
	$	3,299	$	3,218