Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Payables and Accruals [Abstract]
Accrued compensation	$ 755	$ 508
Accrued severance costs	306	607
Accrued communication costs	328	244
Accrued professional fees	138	208
Other accrued expenses	390	105
Deferred revenue	197	155
Customer deposits	163	205
Accrued expenses and other liabilities	$ 2,277	$ 2,032