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Inventory (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
Our inventory, net of allowance for obsolescence of $37,000 at September 30, 2020 and $24,000 at December 31, 2019, consisted of the following amounts:
(in thousands)
September 30, 2020December 31, 2019
Raw materials - current$16,275 $19,388 
Work-in-process850 1,692 
Inventory - current17,125 21,080 
Raw materials - long term (net of allowances of $37 and $24, respectively)
1,230 1,068 
Inventory - total$18,355 $22,148