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Inventory (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
Our inventory, net of allowance for obsolescence of $37,000 at June 30, 2020 and $24,000 at December 31, 2019, consisted of the following amounts:
(in thousands)
June 30, 2020December 31, 2019
Raw materials - current$14,800  $19,388  
Work-in-process961  1,692  
Inventory - current15,761  21,080  
Raw materials - long term (net of allowances of $37 and $24, respectively)
1,123  1,068  
Inventory - total$16,884  $22,148