DISCONTINUED OPERATIONS - Operating results for S.T. Pipeline, Inc. (Details) - S.T. Pipeline, Inc. - USD ($)		3 Months Ended
	May. 14, 2013	Dec. 31, 2015	Dec. 31, 2014
Other income (expense)
Net income from discontinued operations	$ 1,900,000
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue
Cost of revenues
Gross profit
Selling and administrative expenses
Income from discontinued operations
Other income (expense)
Other nonoperating income (expense)
Gain (loss) on sale of equipment
Other income (expense), before income tax
Income before income taxes
Income tax benefit			$ (36,842)
Net income from discontinued operations			$ 36,842