Quarterly report pursuant to Section 13 or 15(d)

Inventory (Tables)

v3.10.0.1
Inventory (Tables)
9 Months Ended
Sep. 30, 2018
Inventory [Abstract]  
Schedule of inventories

    September 30,
2018
(unaudited)
    December 31,
2017
 
Raw material and spare parts   $ 954,000     $ 953,000  
Work-in-progress     2,093,000       2,075,000  
Total   $ 3,047,000     $ 3,028,000