XML 50 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1
Description of Business and Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Derivatives, Fair Value [Line Items]    
Direct operating costs $ 260 $ 330
Selling and administrative expenses 435 832
Total stock-based compensation $ 695 $ 1,162