|12 Months Ended|
Dec. 31, 2018
|Inventory Disclosure [Abstract]|
|Schedule of components of inventories||
Inventory consist of material, labor and manufacturing overhead and are recorded at the lower of cost, using the weighted average cost method, or net realizable value. The components of inventory at December 31, 2018 and 2017 net of inventory reserves, were as follows:
Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef