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12. RETIREMENT PLAN
12 Months Ended
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
RETIREMENT PLAN

The Company has a 401(k) retirement savings plan for employees. Under the plan, the Company matches 25% of an employee's contribution, up to a maximum of $350 per employee per year. Company matching contributions charged to expense in 2014 and 2015 were $4,682 and $4,523, respectively.