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Share-based compensation (Tables)
12 Months Ended
Dec. 31, 2019
Summary of Share Option Activity

The following table summarizes the share option activities for the years ended December 31, 2017, 2018 and 2019:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

 

    

 

    

Weighted 

    

 

 

 

 

 

Weighted

 

Weighted-

 

average 

 

 

 

 

 

 

average

 

average

 

remaining 

 

Aggregate

 

 

Number of

 

exercise

 

grant-date

 

contractual life

 

intrinsic

 

    

share options

    

price (USD)

    

fair value (USD)

    

 (years)

    

value (In thousands)

Outstanding, January 1,2017

 

1,493,470

 

2.65

 

 —

 

3.39

 

 6

Vested and expected to vest at January 1,2017

 

1,440,923

 

2.67

 

0.85

 

3.24

 

 6

Exercisable at January 1, 2017

 

1,217,050

 

2.70

 

0.84

 

3.20

 

 6

Forfeited

 

(109,925)

 

2.89

 

  

 

  

 

  

Expired

 

(989,730)

 

2.28

 

  

 

  

 

  

Exercised

 

(4,000)

 

0.83

 

  

 

  

 

  

Outstanding, December 31,2017

 

389,815

 

3.90

 

 —

 

1.64

 

 —

Vested and expected to vest at December 31, 2017

 

389,693

 

3.90

 

0.95

 

1.64

 

 —

Exercisable at December 31, 2017

 

389,190

 

3.90

 

0.95

 

1.64

 

 —

Expired

 

(373,315)

 

3.89

 

  

 

  

 

  

Outstanding, December 31, 2018

 

16,500

 

3.97

 

 —

 

1.37

 

 —

Vested and expected to vest at December 31, 2018

 

16,500

 

3.97

 

1.56

 

1.37

 

 —

Exercisable at December 31, 2018

 

16,500

 

3.97

 

1.56

 

1.37

 

 —

Expired

 

(6,500)

 

3.97

 

 

 

 

 

 

Outstanding, December 31, 2019

 

10,000

 

3.97

 

 

1.16

 

 —

Vested and expected to vest at December 31, 2019

 

10,000

 

3.97

 

1.01

 

1.16

 

 —

Exercisable at December 31, 2019

 

10,000

 

3.97

 

1.01

 

1.16

 

 —

 

Schedule of Recognized Compensation Costs

Total compensation costs recognized for the years ended December 31, 2017, 2018 and 2019 are as follows:

 

 

 

 

 

 

 

 

 

Years ended December 31, 

(In thousands)

    

2017

    

2018

    

2019

Sales and marketing expenses

 

88

 

404

 

381

General and administrative expenses

 

5,800

 

2,245

 

2,453

Research and development expenses

 

2,442

 

2,645

 

2,594

Total

 

8,330

 

5,294

 

5,428

 

2013 Plan  
Summary of Restricted Shares Activities

A summary of the restricted shares activities under the 2013 Plan for the years ended December 31, 2017, 2018 and 2019 is presented below:

 

 

 

 

    

Number of 

 

 

restricted shares

Unvested at January 1, 2017

 

1,714,535

Vested

 

(996,835)

Forfeited

 

(129,940)

Unvested at December 31, 2017

 

587,760

Expected to vest at December 31, 2017

 

499,596

Unvested at January 1, 2018

 

587,760

Vested

 

(525,140)

Forfeited

 

(28,445)

Unvested at December 31, 2018

 

34,175

Expected to vest at December 31, 2018

 

29,049

Unvested at January 1, 2019

 

34,175

Vested

 

(27,475)

Forfeited

 

(6,700)

Unvested at December 31, 2019

 

Expected to vest at December 31, 2019

 

 

2010 Plan  
Summary of Restricted Shares Activities

A summary of the restricted shares activities under the 2010 Plan for the years ended December 31, 2017, 2018 and 2019 is presented below:

 

 

 

 

 

 

 

 

 

Weighted-Average

 

 

Number of 

 

Grant-Date Fair

 

    

restricted shares

    

Value

Unvested at January 1, 2017

 

943,220

 

  

Expected to vest at January 1, 2017

 

801,737

 

  

Granted

 

2,050,000

 

0.69

Vested

 

(115,125)

 

  

Forfeited

 

(1,605,945)

 

  

Unvested at December 31, 2017

 

1,272,150

 

  

Expected to vest at December 31, 2017

 

1,081,327

 

  

Granted

 

6,750,520

 

2.32

Vested

 

(267,630)

 

  

Forfeited

 

(1,103,000)

 

  

Unvested at December 31, 2018

 

6,652,040

 

  

Expected to vest at December 31, 2018

 

5,654,234

 

 

Granted

 

800,000

 

0.81

Vested

 

(1,296,540)

 

 

Forfeited

 

(971,000)

 

 

Unvested at December 31, 2019

 

5,184,500

 

 

Expected to vest at December 31, 2019

 

4,406,825

 

 

 

2014 Plan  
Summary of Restricted Shares Activities

A summary of the restricted shares activities under the 2014 Plan for the years ended December 31, 2018 and 2019 is presented below:

 

 

 

 

 

    

Number of 

    

 

 

restricted 

 

 

 

shares

 

Unvested at January 1,2017

 

10,276,300

 

Vested

 

(2,447,950)

 

Forfeited

 

(2,022,000)

 

Unvested at December 31, 2017

 

5,806,350

 

Expected to vest at December 31, 2017

 

4,935,398

 

Unvested at January 1, 2018

 

5,806,350

 

Vested

 

(2,086,450)

 

Forfeited

 

(243,250)

 

Unvested at December 31, 2018

 

3,476,650

 

Expected to vest at December 31, 2018

 

2,955,153

 

Unvested at January 1, 2019

 

3,476,650

 

Vested

 

(1,318,450)

 

Forfeited

 

(837,000)

 

Unvested at December 31, 2019

 

1,321,200

 

Expected to vest at December 31, 2019

 

1,123,020