7. Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accrued wages and benefits	$ 404	$ 298
Accrued accounts payable	177	153
Accrued sales and telecommunications taxes	214	223
Other	146	138
Total accrued expenses	$ 941	$ 812