Note 10 - Defined Contribution Plans

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

Compensation and Employee Benefit Plans [Text Block]

10. DEFINED CONTRIBUTION PLANS

We maintain a

401(k)

defined contribution plan covering all U.S. employees. Our matching contributions, net of forfeitures, under the plan, which are optional and based on the level of individual participant’s contributions, amounted to

$38,000

and

$36,000

in

2016

and

2015,

respectively.