XML 120 R55.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Note 5 - Supplemental Balance Sheet Information - Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
[1]
Raw materials and supplies $ 27,415 $ 29,343
Work-in-process 5,739 2,510
Finished products 14,937 15,205
Construction materials 9,102 9,379
Total $ 57,193 $ 56,437
[1] During 2018, the Company incurred non-cash charges of $2.8 million related to estimates for inventory obsolescence within its cathodic protection operations. The charges were recorded to cost of revenues in the Consolidated Statement of Operations.