Note 11 - Share Capital

12 Months Ended

Dec. 31, 2019

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

11.

Share capital

During the

twelve

months ended

December 31, 2019

, the Company issued

394,078

ordinary shares upon the exercise of options and

65,405

ordinary shares were issued upon the vesting of RSUs. During

2018

,

694,322

ordinary shares were issued upon the exercise of options and

83,378

ordinary shares were issued upon the vesting of RSUs. There were

39,824,703

and

38,978,604

ordinary shares authorized as of 

December 31, 2019

and

2018

, respectively, and

26,419,961

and

26,439,334

ordinary shares issued and outstanding, as of

December 31, 2019

and

2018

, respectively.

The Company began repurchasing shares in

September 2019.

For the

four

month period ended

December 31, 2019,

the Company purchased a total of

478,856

shares for a total cost of

$7.0

million. All shares were repurchased under an authorization covering up to

$100

million of the Company's ordinary shares in the aggregate including commissions, as approved by the Company's Board of Directors and approved by shareholders at the Company's Annual General Meeting held on

June 18, 2019.

Unless discontinued by the Company's Board of Directors, the share repurchase program will be valid for up to

five

years.