Commitments and Contingencies (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended			6 Months Ended	3 Months Ended	6 Months Ended
	May 01, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	May 01, 2013	Jun. 30, 2014 Concourse Six	Mar. 31, 2014 Concourse Five	Jun. 30, 2014 Concourse Five
Commitments And Contingencies [Line Items]
Rental expense for operating leases		$ 57,000	$ 177,000	$ 113,000	$ 266,000
Early termination liability		100,000		100,000		300,000
Lease commitment term (in years)				3 years
Early termination fee	16,000							100,000
Early termination cost reversal				(92,843)			(92,843)		0
Fair value adjustment				$ 131,000