Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details Textual)

v3.7.0.1
Stock-Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Stock-Based Compensation (Textual)          
Stock compensation expense     $ 13 $ 71  
Additional compensation expense $ 490 $ 632 $ 977 $ 1,309  
Aggregate intrinsic value for outstanding options     $ 0.12   $ 0.12