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Liabilities (Tables)
9 Months Ended
Sep. 30, 2018
Liabilities  
Schedule of accrued expenses and other current liabilities

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

 

    

2018

    

2017

 

 

(in thousands)

Payroll and related benefits

 

$

18,498

 

$

32,996

Warranty

 

 

7,371

 

 

6,532

Interest

 

 

1,992

 

 

4,430

Professional fees

 

 

3,457

 

 

3,942

Merger consideration payable

 

 

 —

 

 

2,662

Sales, use, and other taxes

 

 

532

 

 

2,144

Restructuring liability

 

 

2,901

 

 

1,520

Other

 

 

5,679

 

 

3,842

Total

 

$

40,430

 

$

58,068

 

Schedule of changes in product warranty reserves

 

 

 

 

 

    

(in thousands)

Balance - December 31, 2017

 

$

6,532

Warranties issued

 

 

5,249

Consumption of reserves

 

 

(5,161)

Changes in estimate

 

 

751

Balance - September 30, 2018

 

$

7,371

 

Schedule of restructuring accrual activities

 

 

 

 

 

 

 

 

 

 

 

    

Personnel

    

Facility

    

 

 

 

 

Severance and

 

Related Costs

 

 

 

 

 

Related Costs

 

and Other

 

Total

 

 

(in thousands)

Balance - December 31, 2017

 

$

1,520

 

$

 —

 

$

1,520

Provision

 

 

3,930

 

 

2,743

 

 

6,673

Payments

 

 

(2,898)

 

 

(2,394)

 

 

(5,292)

Balance - September 30, 2018

 

$

2,552

 

$

349

 

$

2,901

 

Schedule of changes in deferred revenue

 

 

 

 

 

 

(in thousands)

Balance - December 31, 2017

 

$

70,536

Deferral of revenue

 

 

7,166

Recognition of previously deferred revenue

 

 

(33,224)

Balance - September 30, 2018

 

$

44,478

 

Schedule of carrying value of Convertible Senior Notes

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

 

    

2018

    

2017

 

 

(in thousands)

Principal amount

 

$

345,000

 

$

345,000

Unamortized debt discount

 

 

(55,082)

 

 

(63,022)

Unamortized transaction costs

 

 

(5,549)

 

 

(6,348)

Net carrying value

 

$

284,369

 

$

275,630

 

Summary of interest expense related to Convertible Senior Notes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three months ended September 30,

 

Nine months ended September 30,

 

 

    

2018

    

2017

    

2018

    

2017

 

 

 

(in thousands)

 

Cash Interest Expense

 

 

  

 

 

  

 

 

  

 

 

  

 

Coupon interest expense

 

$

2,329

 

$

2,329

 

$

6,986

 

$

6,573

 

Non-Cash Interest Expense

 

 

  

 

 

  

 

 

  

 

 

  

 

Amortization of debt discount

 

 

2,697

 

 

2,502

 

 

7,940

 

 

6,942

 

Amortization of transaction costs

 

 

271

 

 

252

 

 

799

 

 

699

 

Total Interest Expense

 

$

5,297

 

$

5,083

 

$

15,725

 

$

14,214