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

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

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

	2015		2014
Credit agreements-
Primary lender (PGIP-related party), at prime plus 5%, due June 1, 1997	$	500,000	$	500,000
Notes Payable-
At prime plus 2%, due October 1, 1984		176,000		176,000
At prime plus 2%, due October 1, 1987		1,000,000		1,000,000
Non-interest bearing, due August 1, 1993		22,000		22,000
	$	1,698,000	$	1,698,000