COMMON STOCK	12 Months Ended
Dec. 31, 2017
Equity [Abstract]
COMMON STOCK	COMMON STOCK The total number of authorized shares of the Company’s common stock is 750,000,000 shares, $0.001 par value per share. As of December 31, 2017 and December 31, 2016, there were 32,658,176 and 33,151,391, respectively, shares of common stock issued and outstanding. Each share of the Company's common stock is entitled to equal dividends and distributions per share with respect to the common stock when, as and if declared by the Company's board of directors. No holder of any shares of the Company's common stock has a preemptive right to subscribe for any of the Company's securities, nor are any shares of the Company's common stock subject to redemption or convertible into other securities. Upon liquidation, dissolution or winding-up of the Company and after payment of creditors and preferred shareholders of the Company, if any, the assets of the Company will be divided pro rata on a share-for-share basis among the holders of the Company's common stock. Each share of the Company's common stock is entitled to one vote. Shares of the Company's common stock do not possess any cumulative voting rights. On January 27, 2017, the Company issued 66,564 shares of common stock in connection with the conversion of 66,564 shares of Series B1 Convertible Preferred Stock. On January 30, 2017, the Company issued 10,000 shares of common stock in connection with the conversion of 10,000 shares of Series B1 Convertible Preferred Stock. On February 2, 2017, the Company issued 30,072 shares of common stock in connection with the conversion of 30,072 shares of our Series A Convertible Preferred Stock. On March 10, 2017, the Company received and cancelled 1,108,928 shares of common stock previously held in escrow as part of the escrow fulfillment of the sale of the Vertex Refining NV assets to Safety-Kleen System, Inc. (the "Bango Sale"). The sales agreement is more fully described in Note 15. Disposition. On May 12, 2017, the Company issued 6,036 shares of common stock in connection with the conversion of 6,036 shares of our Series A Convertible Preferred Stock. On May 26, 2017, the Company issued 500,000 shares of common stock in connection with the Nickco acquisition, which is more fully described in Note 6. Acquisition. On October 20, 2017, the Company issued 3,041 shares of common stock in connection with the conversion of 3,041 shares of our Series A Convertible Preferred Stock. On January 21, 2016, the Company issued 244,000 shares of common stock to pay the January 2016 rent due pursuant to the terms of our lease on our Fallon, Nevada plant. On January 29, 2016, the Company issued 1,108,928 shares of common stock as part of the escrow fulfillment of the sale of the Vertex Refining Nevada assets to Safety-Kleen Systems, Inc. (the "Bango Sale"). On February 4, 2016, the Company issued 53,271 shares of common stock in connection with a former employee's cashless exercise of stock options to purchase 100,000 shares of common stock. On February 5, 2016, the Company issued 120,227 shares of common stock in connection with the conversion of an equal amount of Series A Preferred shares into common stock. On August 2, 2016, the Company issued 1,243,200 shares of common stock in connection with the conversion of 12,432 shares of Series C Preferred stock at par value of $0.001. On October 31, 2016, a holder of our Series B1 Convertible Preferred Stock converted 403,217 shares of our Series B1 Convertible Preferred Stock into 403,217 shares of our common stock at par value of $0.001. On November 2, 2016, a holder of our Series B Convertible Preferred Stock converted 1,739,272 shares of our Series B Convertible Preferred Stock into 1,739,272 shares of our common stock at par value of $0.001.

COMMON STOCK

The total number of authorized shares of the Company’s common stock is 750,000,000 shares, $0.001 par value per share. As of December 31, 2017 and December 31, 2016, there were 32,658,176 and 33,151,391, respectively, shares of common stock issued and outstanding.

Each share of the Company's common stock is entitled to equal dividends and distributions per share with respect to the common stock when, as and if declared by the Company's board of directors. No holder of any shares of the Company's common stock has a preemptive right to subscribe for any of the Company's securities, nor are any shares of the Company's common stock subject to redemption or convertible into other securities. Upon liquidation, dissolution or winding-up of the Company and after payment of creditors and preferred shareholders of the Company, if any, the assets of the Company will be divided pro rata on a share-for-share basis among the holders of the Company's common stock. Each share of the Company's common stock is entitled to one vote. Shares of the Company's common stock do not possess any cumulative voting rights.

On January 27, 2017, the Company issued 66,564 shares of common stock in connection with the conversion of 66,564 shares of Series B1 Convertible Preferred Stock.

On January 30, 2017, the Company issued 10,000 shares of common stock in connection with the conversion of 10,000 shares of Series B1 Convertible Preferred Stock.

On February 2, 2017, the Company issued 30,072 shares of common stock in connection with the conversion of 30,072 shares of our Series A Convertible Preferred Stock.

On March 10, 2017, the Company received and cancelled 1,108,928 shares of common stock previously held in escrow as part of the escrow fulfillment of the sale of the Vertex Refining NV assets to Safety-Kleen System, Inc. (the "Bango Sale"). The sales agreement is more fully described in Note 15. Disposition.

On May 12, 2017, the Company issued 6,036 shares of common stock in connection with the conversion of 6,036 shares of our Series A Convertible Preferred Stock.

On May 26, 2017, the Company issued 500,000 shares of common stock in connection with the Nickco acquisition, which is more fully described in Note 6. Acquisition.

On October 20, 2017, the Company issued 3,041 shares of common stock in connection with the conversion of 3,041 shares of our Series A Convertible Preferred Stock.

On January 21, 2016, the Company issued 244,000 shares of common stock to pay the January 2016 rent due pursuant to the terms of our lease on our Fallon, Nevada plant.

On January 29, 2016, the Company issued 1,108,928 shares of common stock as part of the escrow fulfillment of the sale of the Vertex Refining Nevada assets to Safety-Kleen Systems, Inc. (the "Bango Sale").

On February 4, 2016, the Company issued 53,271 shares of common stock in connection with a former employee's cashless exercise of stock options to purchase 100,000 shares of common stock.

On February 5, 2016, the Company issued 120,227 shares of common stock in connection with the conversion of an equal amount of Series A Preferred shares into common stock.

On August 2, 2016, the Company issued 1,243,200 shares of common stock in connection with the conversion of 12,432 shares of Series C Preferred stock at par value of $0.001.

On October 31, 2016, a holder of our Series B1 Convertible Preferred Stock converted 403,217 shares of our Series B1 Convertible Preferred Stock into 403,217 shares of our common stock at par value of $0.001.

On November 2, 2016, a holder of our Series B Convertible Preferred Stock converted 1,739,272 shares of our Series B Convertible Preferred Stock into 1,739,272 shares of our common stock at par value of $0.001.