Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accrued Expenses, Current [Abstract]
Accrued compensation	$ 242	$ 247
Accrued communication costs	137	180
Accrued professional fees	98	133
Accrued interest	411	332
Other accrued expenses	171	227
Deferred rent expense	85	89
Deferred revenue	91	105
Customer deposits	179	179
Accrued expenses and other liabilities	$ 1,414	$ 1,492