Note 12 - Related Party Transaction

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Related Party Transactions Disclosure [Text Block]

12. RELATED PARTY TRANSACTION

The lease on our headquarters and primary facility in Norcross, Georgia is held by ISC Properties, LLC, an entity controlled by our Chairman and Chief Executive Officer, J. Leland Strange. Mr. Strange holds a

100%

ownership interest in ISC Properties, LLC. We paid rent of

$210,000

to ISC Properties, LLC in both years ended

December 31, 2017

and

2016.

We have determined that ISC Properties, LLC is

not

a variable interest entity.