4. Investments (Details - Investment schedule) - USD ($) $ in Thousands	12 Months Ended	132 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2005
Cost	$ 2,208	$ 2,208
Unrealized Gains	66
Unrealized Losses	(183)
Fair Value	$ 2,091	2,091
Common Stocks and ETF's [Member]
Cost			$ 690
Unrealized Gains		17
Unrealized Losses		(94)
Fair Value			613
Mutual Fund [Member]
Cost			27
Unrealized Gains		0
Unrealized Losses		(1)
Fair Value			26
Preferred Securities [Member]
Cost			98
Unrealized Gains		6
Unrealized Losses		0
Fair Value			104
Corporate Bonds [Member]
Cost			1,393
Unrealized Gains		43
Unrealized Losses		$ (88)
Fair Value			$ 1,348