Accrued Expenses and Other Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accrued Expenses, Current [Abstract]
Accrued compensation	$ 488	$ 755
Accrued severance costs	21	306
Accrued communication costs	267	328
Accrued professional fees	36	138
Accrued lease termination	159	0
Accrued interest	139	0
Other accrued expenses	227	390
Deferred revenue	118	197
Customer deposits	451	163
Accrued expenses and other liabilities	$ 1,906	$ 2,277