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Note 2 - Inventory

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Inventory Disclosure [Text Block]

NOTE

2

- INVENTORY

Inventory consisted of the following at

June 30, 2019

and

December 31, 2018:

		201 9				201 8
Furnace parts and supplies		$	730,370			$	596,806
Raw materials			1,756,414				1,659,826
Work in process			1,501,307				1,691,175
Finished goods and filtration systems			1,527,554				1,596,042
Reserve for obsolescence			(801,990	)			(1,111,794	)
Net Inventory		$	4,713,656			$	4,432,055

X

- References

No definition available.

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X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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