XML 65 R51.htm IDEA: XBRL DOCUMENT v3.19.1
Business Segmentation and Geographical Distribution (Detail Narratives)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
segment
Dec. 31, 2017
USD ($)
Number of business segments | segment 1  
International Sources [Member]    
Revenue from international sources $ 600 $ 1,835
Germany [Member]    
Revenue from international sources $ 534 $ 1,713