Annual report pursuant to Section 13 and 15(d)

Inventory (Tables)

v3.8.0.1
Inventory (Tables)
12 Months Ended
Dec. 31, 2017
Inventory [Abstract]  
Summary of Inventories

    December 31, 2017     December 31, 2016  
Raw material and spare parts   $ 953,000     $ 990,000  
Work-in-progress     2,075,000       1,774,000  
Total   $ 3,028,000     $ 2,764,000