Note 8 - Stock-based Compensation Expense

3 Months Ended

Mar. 31, 2020

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

NOTE

8:

     STOCK-BASED COMPENSATION EXPENSE

The Company recorded as part of selling and general administrative expense

$73,000

and

$199,000

during the

three

months ended

March 31, 2020

and

2019,

respectively, for the cost of employee and director services received in exchange for equity instruments based on the grant-date fair value of those instruments.