Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Details)

v3.3.1.900
Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Allowance for Doubtful Accounts      
Movement in Valuation Allowances and Reserves      
Balance at the beginning of period $ 293 $ 140 $ 650
Additions Charged to Cost and Expense 68 119 112
Write-Offs (49) 34 (622)
Balance at end of period 312 293 140
Reserve for Inventory Valuation      
Movement in Valuation Allowances and Reserves      
Balance at the beginning of period 12,276 11,041 12,026
Additions Charged to Cost and Expense 3,120 1,840 537
Write-Offs (802) (605) (1,522)
Balance at end of period 14,594 12,276 11,041
Deferred Tax Valuation Allowance      
Movement in Valuation Allowances and Reserves      
Balance at the beginning of period 3,134 2,509 2,190
Additions Charged to Cost and Expense 0 625 319
Write-Offs (494) 0 0
Balance at end of period $ 2,640 $ 3,134 $ 2,509