Annual report pursuant to Section 13 and 15(d)

Domestic and Foreign Operations (Details)

v3.19.1
Domestic and Foreign Operations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Net revenues    
Total net revenue $ 30,883 $ 26,722
United States [Member]    
Net revenues    
Total net revenue 24,477 21,343
Europe [Member]    
Net revenues    
Total net revenue 6,358 3,708
Other international revenue [Member]    
Net revenues    
Total net revenue $ 48 $ 1,671