Note 14 - Employee Benefit Plan

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Compensation and Employee Benefit Plans [Text Block]

(

1

4

) Employee Benefit Plan

The Company offers a defined contribution

401

(k) Profit Sharing Plan (the Plan) which covers substantially all employees who meet certai

n age and service requirements. The Plan allows employees to make voluntary pre-tax salary deferrals to the Plan. The Company, at its discretion,

may

elect to make an annual contribution to the Plan equal to a percentage of each participating employee’s salary. Such discretionary contributions must be approved by the Company’s board of directors. Employees are fully vested in the Company contributions after

six

years of service. In

2017,

2016

and

2015,

the Company made total contributions of

$686,580,

$408,303

and

$385,453

to the Plan, respectively.