12. Employee Benefits (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Employee Benefits Details Narrative
401(k) plan contributions	$ 929,000	$ 838,000	$ 642,000
Expected long term rate of return	7.50%	7.75%
Estimated net loss amortized into net periodic benefit cost	$ 405,000