XML 37 R25.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accrued Liabilities (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Payables and Accruals [Abstract] |
Summary of Accrued Liabilities | Accrued liabilities consists of the following:
| March 31, |  | December 31,
(in thousands) | 2018 |  | 2017
Accrued payroll | $ | 4,647 |  |  | $ | 6,201 |
Product warranty, current | 3,495 |  |  | 3,589 |
Income tax payable | 1,341 |  |  | 931 |
Other accrued expenses | 2,387 |  |  | 1,929 |
| $ | 11,870 |  |  | $ | 12,650 |

X
- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration