Quarterly report pursuant to Section 13 or 15(d)

Accrued Warranty Reserve (Details)

v3.7.0.1
Accrued Warranty Reserve (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Maximum period of product warranties 18 months    
Provision for warranty expenses $ 779   $ 142
Balance of warranty provision 3,766    
Accrued Warranty Reserve      
Balance, beginning of the period 3,766    
Standard warranty provision 878    
Accrual related to reliability repair programs (99)    
Deductions for warranty claims (1,472)    
Balance, end of the period 3,073    
C200      
Provision for warranty expenses   $ 5,200  
Balance of warranty provision 1,300    
Accrued Warranty Reserve      
Balance, end of the period $ 1,300