Year ended December 31,

Three Months ended December 31,

2019

2018

2019

2018

U.S. dollars

U.S. dollars

Revenues

134,019

123,174

33,201

33,174

Cost of revenues

69,235

62,378

17,360

16,457

Gross profit

64,784

60,796

15,841

16,717

Research and development costs

16,331

14,581

4,440

4,125

Selling, general and administrative expense

26,481

26,182

6,813

6,390

42,812

40,763

11,253

10,515

Operating income 

21,972

20,033

4,588

6,202

Financial income, net

801

728

461

237

Income before income taxes

22,773

20,761

5,049

6,439

Income taxes (expense)

(1,950)

(2,030)

(442)

(666)

Net income from continuing operations

20,823

18,731

4,607

5,773

Discontinued operations *

Income from discontinued operations

Income before tax expense

1,257

-

-

-

Income taxes (expense)

(94)

-

-

-

Income from discontinued operations

1,163

-

-

-

Net income

21,986

18,731

4,607

5,773