14. EMPLOYEE BENEFITS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Change in Benefit Obligation
Benefit obligation, beginning	$ 10,944,658	$ 10,777,415	$ 7,933,568
Service cost	631,874	648,334	501,032
Interest cost	452,896	410,944	377,706
Actuarial (gain loss)	872,245	(137,048)	2,030,583
Benefits paid	(426,628)	(754,987)	(65,474)
Benefit obligation, ending	12,475,045	10,944,658	10,777,415
Change in Plan Assets
Fair value of plan assets, beginning	11,678,218	11,683,845	9,687,226
Actual return on plan assets	780,160	(640)	562,093
Employer contribution		750,000	1,500,000
Benefits paid	(426,628)	(754,987)	(65,474)
Fair value of plan assets, ending	12,031,750	11,678,218	11,683,845
Funded status at the end of the year	$ (443,295)	$ 733,560	$ 906,430