7. Notes Payable (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

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

	2017		2016
	($ in thousands)
Notes Payable-
At prime plus 2%, due October 1, 1984	$	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