Commitments and Contingencies (Details)			3 Months Ended		6 Months Ended
	Feb. 02, 2016 USD ($)	Oct. 07, 2013 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) lease	Jun. 30, 2015 USD ($)
Loss Contingencies [Line Items]
Loss on sale or disposition of assets, net			$ 11,000	$ 617,000	$ (96,000)	$ 615,000
Short-term portion of liability			48,000		48,000
Long-term portion of liability			176,000		$ 176,000
Assignment and Assumption of Leases Agreements
Loss Contingencies [Line Items]
Number of lease assignment agreements | lease					3
Period over which company remains secondarily liable					P61M
Outstanding lease guarantees			$ 7,761,000		$ 7,761,000
Loss on sale or disposition of assets, net					$ (243,000)
Assignment and Assumption of Leases Agreements | Recovery by defendants of certain costs
Loss Contingencies [Line Items]
Number of Leases | lease					21
HBN
Loss Contingencies [Line Items]
Purchase consideration		$ 7,130,000
Legal damages awarded		3,153,000
Payment of legal settlement	$ 3,251,000
Tails Inc.
Loss Contingencies [Line Items]
Purchase consideration		$ 20,175,000
Total claims sought by plaintiffs					$ 384,000