Inventories	12 Months Ended
Dec. 31, 2020
Inventories
Inventories	Note 6: Inventories Inventories consist of raw materials, parts and supplies and totaled $82,918,000 at December 31, 2020 and $100,947,000 at December 31, 2019. The reserve for obsolete and slow moving inventory is $13,828,000 at December 31, 2020 and $10,467,000 at December 31, 2019.

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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