XML 41 R27.htm IDEA: XBRL DOCUMENT v3.10.0.1
ACCRUED EXPENSES AND OTHER LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2018
ACCRUED EXPENSES AND OTHER LIABILITIES  
Schedule of accrued expenses and other liabilities
December 31,   2018     2017  
(in thousands)                
Accrued payroll and related expenses   $ 3,257     $ 3,116  
Accrued sales incentives and discounts     3,547       3,969  
Accrued warranty costs     5,607       5,373  
Deferred revenue     496       864  
Other     587       677  
Total accrued expenses and other liabilities   $ 13,494     $ 13,999