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Consolidated Statements of Shareholders Equity (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Statement of Stockholders' Equity [Abstract]
Tax on marketable equity securities	$ 770,000	$ 1,168,000
Cash issued to noncontrolling shareholder for future earn-in	$ 500,000	$ 300,000