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Goodwill and Valuation Impairment - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill And Other Intangible Assets [Line Items]
Goodwill recognized	$ 58,337,290
Impairment of goodwill	26,850,039	17,636,569
Gain on equity interest in Quest Resource Management Group, LLC	667,316	1,964,540
Earth911 Inc [Member]
Goodwill And Other Intangible Assets [Line Items]
Goodwill recognized		17,636,569
Impairment of goodwill	26,850,039
Gain on equity interest in Quest Resource Management Group, LLC	23,449,372
impact of the goodwill impairment and gain on investment	$ 3,400,667

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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