8. Credit Agreements - Primary Lender and Notes Payable (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

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

	2016		2015
	($ in thousands)
Credit agreements-
Primary lender (PGIP-related party),
at prime plus 5%, due June 1, 1997	$	-	$	500
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	$	1,698