The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Equity Method Investment, Income (Loss) in Joint Venture Attributable to Noncontrolling Interest

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Equity Method Investment Operating Income Loss Attributable to Noncontrolling Interest Percent

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Income (Loss) from Equity Method Investments in Consolidated Income Percent

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NEW JOINT VENTURE (Details) - USD ($)	12 Months Ended
NEW JOINT VENTURE (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	May 25, 2016
Vertex Recovery Management, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage in joint venture (percent)			51.00%
Income from VRMLA included in consolidated income (percent)	100.00%
Operating income from VRMLA	$ 602,259	$ 4,447
Industrial Pipe, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership interest in VRMLA by Industrial Pipe, Inc. (percent)			49.00%
Industrial Pipe's portion of VRMLA's operating income (percent)	49.00%
Industrial Pipe's portion of VRMLA's operating income	$ 295,108	$ 2,179