Note 4 - Related Party Transactions

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Related Party Transactions Disclosure [Text Block]

4.

Related Party Transactions

The

following related party transactions occurred during the

three

years ended

December 31, 2017;

(a)

     We purchase fuel and tires and obtain related services from a company in which

one

of our directors is the chairman of the board, chief executive officer and the principal stockholder. We paid that company

$328,000

in

2017,

$361,000

in

2016

and

$335,000

in

2015

for fuel, tires and related services. In addition, we paid

$2.5

million in

2017,

$2.0

million in

2016

and

$1.5

million in

2015

to tire manufacturers for tires that were provided by the same company. The same company received commissions from the tire manufacturers related to these purchases. We did

not

have any payables to that company as of

December 31, 2017

or

2016

.

(b)

     We provide transportation services to MWL as described in Note

11

.