Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders' Equity [Abstract]

Changes in shares of our outstanding common stock, preferred stock and warrants

	Preferred Stock		Common Stock		Treasury Stock			KSOP		Warrants
December 31, 2011		15,780		26,177,989		13,985			15,200		3,549,047
Issued shares of Series C Preferred Stock in Hunter Disposal acquisition		88,000		—		—			—		—
Issued shares of Series C Preferred Stock in Blue Water acquisition		20,000		—		—			—		—
Issued shares of Series C Preferred Stock in joint venture agreement		16,000		—		—			—		—
Issued shares of Series C Preferred Stock upon redemption of Series B Debentures		120,213		—		—			—		—
Issued shares of common stock in Hunter Disposal acquisition		—		1,846,722		—			—		—
Issued shares for Share based payments		—		45,201		(13,984	)		—		—
Issued shares of common stock upon exercise of warrants		—		20,000		—			—		(20,000	)
Issued shares of common stock upon acquisitions		—		490,347		—			—		—
Warrants expired during the period		—		—		—			—		(459,047	)
June 30, 2012		259,993		28,580,259		1			15,200		3,070,000