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Balance Sheet Account Details
 3 Months Ended
Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet Account Details Balance Sheet Account Details 
Inventories
Inventories are stated at the lower of cost (first-in, first-out) or net realizable value. Inventories consisted of the following (in thousands):
March 31,
2020		December 31,
2019
Raw materials$22,508  $23,294  
Work-in-process (materials, labor and overhead)19,662  20,514  
Finished goods (materials, labor and overhead)16,538  14,278  
Total inventories$58,708  $58,086  
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consist of the following (in thousands):
March 31,
2020		December 31,
2019
Other receivables$8,645  $7,857  
Prepaid expenses5,952  4,568  
Income taxes receivable—  2,560  
Other2,258  1,885  
Total prepaid expenses and other current assets$16,855  $16,870  
Other Current Liabilities
Other current liabilities consist of the following (in thousands):
March 31,
2020		December 31,
2019
Customer incentives$8,848  $7,369  
Income and other taxes payable6,783  1,214  
Customer deposits79  1,500  
Other5,902  4,779  
Total other current liabilities$21,612  $14,862