Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Allowance for doubtful accounts receivable | |||
Deducted from asset accounts: | |||
Balance at Beginning of Period | $ 1,578 | $ 1,421 | $ 1,403 |
Charged to Costs and Expenses | 692 | 664 | 127 |
Charged to Other Accounts-Describe | 0 | 0 | (12) |
Deduction-Describe | 1,073 | 507 | 97 |
Balance at End of Period | 1,197 | 1,578 | 1,421 |
Inventory reserves and obsolescence | |||
Deducted from asset accounts: | |||
Balance at Beginning of Period | 8,193 | 6,333 | 5,872 |
Charged to Costs and Expenses | 3,842 | 6,067 | 5,250 |
Charged to Other Accounts-Describe | 0 | 0 | 0 |
Deduction-Describe | 4,166 | 4,207 | 4,789 |
Balance at End of Period | $ 7,869 | $ 8,193 | $ 6,333 |