Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.5.0.2
Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Incremental Direct Costs [Abstract]          
Advertising and marketing expenses $ 521,000 $ 1,212,000 $ 1,185,000 $ 2,721,000  
Advertising costs