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ACCRUED EXPENSES AND OTHER LIABILITIES | 9 Months Ended
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Sep. 30, 2022
ACCRUED EXPENSES AND OTHER LIABILITIES |
ACCRUED EXPENSES AND OTHER LIABILITIES | 13. ACCRUED EXPENSES AND OTHER LIABILITIES ​ Accrued expenses and other liabilities consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, |  | December 31,
(in thousands) | ​ | 2022 |  | 2021
Accrued payroll and related expenses | ​ | $ | 4,845 | ​ | $ | 3,119
Accrued sales incentives and discounts | ​ |  | 2,280 | ​ |  | 1,214
Accrued warranty costs | ​ |  | 5,136 | ​ |  | 4,641
Deferred revenue | ​ |  | 2,086 | ​ |  | 1,313
Income taxes payable | ​ | ​ | 790 | ​ | ​ | 217
Other | ​ |  | 938 | ​ |  | 794
Total accrued expenses and other liabilities | ​ | $ | 16,075 | ​ | $ | 11,298
​

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