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ACCRUED EXPENSES | 12 Months Ended
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Dec. 31, 2018
ACCRUED EXPENSES [Abstract] |
ACCRUED EXPENSES | 11. ACCRUED EXPENSES Accrued expenses consist of the following:
|  | December 31, |
|  | 2018 |  |  | 2017 |
Sales commissions |  | $ | 2,609 |  |  | $ | 2,461 |
Subcontracting labor |  |  | 1,550 |  |  |  | 1,408 |
Salaries, bonuses and related benefits |  |  | 18,275 |  |  |  | 16,531 |
Warranty accrual |  |  | 1,078 |  |  |  | 1,769 |
Other |  |  | 8,778 |  |  |  | 8,339 |
|  | $ | 32,290 |  |  | $ | 30,508 |
The change in warranty accrual during 2018 primarily related to repair costs incurred and adjustments to pre-existing warranties. There were no new material warranty charges incurred during 2018.

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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