Transactions with Related Party (Details) (USD $)		12 Months Ended					0 Months Ended	1 Months Ended		4 Months Ended	12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Higi [Member]	Dec. 31, 2012 Higi [Member]	Dec. 31, 2011 Higi [Member]	Dec. 31, 2013 Higi [Member] Master Services Agreement [Member]	Dec. 31, 2012 Higi [Member] Sell Health Stations and Related Equipment Agreement [Member]	Feb. 24, 2012 Merrick [Member] sqft	Jun. 30, 2011 Merrick [Member]	Apr. 30, 2010 Merrick [Member]	Dec. 09, 2013 Merrick [Member]	Dec. 31, 2013 Merrick [Member]	Jul. 31, 2013 Merrick [Member]	Jul. 31, 2012 Merrick [Member]	Sep. 08, 2010 Merrick [Member] sqft	Dec. 31, 2013 Merrick [Member] Consulting Agreement [Member]	Dec. 31, 2012 Merrick [Member] Consulting Agreement [Member]	Dec. 31, 2011 Merrick [Member] Consulting Agreement [Member]	Dec. 31, 2013 Merrick [Member] Higi [Member]
Related Party Transaction [Line Items]
Ownership percentage of common stock (in hundredths)	63.00%										27.00%							33.00%
Quarterly retainer amount															$ 150,000
Per transaction fee related to acquisitions															250,000
Payment made to related parties for services															627,000	1,069,000	1,348,000
Proceeds from principal amount of notes purchased by related party								10,000,000	10,000,000
Principal amount of notes tendered											10,000,000
Expenses from transactions with related party recognized															627,000	976,000	1,176,000
Accounts payable to related parties															0	38,000
Price for notes purchased											10,670,000
Revenue recognized from related parties		14,000	155,000	506,000		2,750,000
Annual branding fee for each health station					100,000
Area taken under sublease from related party (in square feet)							4,700							11,934
Annual rent expense							80,000			20,500		20,000	19,500
Acquired fixtures, leasehold improvements, and furniture							$ 74,000