Minority Business Investment (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended				3 Months Ended	9 Months Ended				9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2012 Curepet, Inc. [Member]	Sep. 30, 2013 Curepet, Inc. [Member]	Sep. 30, 2014 Curepet, Inc. [Member]	Jan. 27, 2014 Curepet, Inc. [Member]	Dec. 31, 2013 Curepet, Inc. [Member]	Sep. 30, 2014 Curepet, Inc. [Member]	Jan. 27, 2014 Curepet, Inc. [Member]
Schedule of Cost-method Investments [Line Items]
Cost Method Investment, Ownership Percentage							19.80%
Payments to Acquire Other Investments							$ 2,000,000
Document Period End Date			Sep. 30, 2014
Revenue	50,808,000	50,293,000	153,688,000	153,863,000				1,200,000				325,000
Due from related parties, current											1,400,000
Additional Equity Investment Arrangement							20.00%
Purchase Price of Business Acquisition, Cost of Acquired Entity										6,350,000			6,350,000
Derivative Liability	$ 10,850,000		$ 10,850,000		$ 14,420,000	$ 17,495,000			$ 1,600,000	$ 5,000,000		$ 1,600,000	$ 5,000,000