12. Employee Benefits (Details - Asset Allocation)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Weighted Average Asset Allocation at Year-End	100.00%	100.00%
Cash And Cash Equivalents [Member]
Weighted Average Asset Allocation at Year-End	0.00%	0.00%
Equity Securities [Member]
Weighted Average Asset Allocation at Year-End	85.00%	84.00%
Debt Securities [Member]
Weighted Average Asset Allocation at Year-End	15.00%	16.00%