Organization and Summary of Significant Accounting Policies, Long-Lived Assets by Geographic Location (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 1,706	$ 1,989
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,681	1,956
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	23	33
Philippines [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 2	$ 0