Quarterly report pursuant to Section 13 or 15(d)

Inventories

v3.10.0.1
Inventories
6 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventory consists of raw sand and processed sand available for sale, chemicals and other products sold as a bi-product of completion and production operations and supplies used in performing services. Inventory is stated at the lower of cost or market (net realizable value) on an average cost basis. The Company assesses the valuation of its inventories based upon specific usage and future utility. A summary of the Company's inventories is shown below (in thousands):
 
 
June 30,
 
December 31,
 
 
2018
 
2017
Supplies
 
$
7,264

 
$
9,437

Raw materials
 
321

 
219

Work in process
 
1,326

 
2,370

Finished goods
 
3,806

 
5,788

Total inventory
 
$
12,717

 
$
17,814