|6 Months Ended|
Jun. 30, 2017
Inventories are stated at the lower of cost or market, using the first-in first-out method. Cost includes materials, labor and manufacturing overhead related to the purchase and production of inventories. We regularly review inventory quantities on hand, future purchase commitments with our supplies, and the estimated utility of our inventory. If the review indicates a reduction in utility below carrying value, we reduce our inventory to a new cost basis through a charge to cost of goods sold. Allowance for slow moving items increased $6,366 due to a type of aerostat material which was custom ordered. Inventory consists of the following at June 30, 2017 and December 31, 2016:
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/presentationRef