Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY - Changes in Accumulated Other Comprehensive Loss (Details)

v3.19.1
STOCKHOLDERS' EQUITY - Changes in Accumulated Other Comprehensive Loss (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2017 $ (413)
Other comprehensive loss (837)
Balance, December 31, 2018 (1,250)
Foreign Currency Translation Adjustment  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2017 (386)
Other comprehensive loss (831)
Balance, December 31, 2018 (1,217)
Unrealized Losses on Available-For-Sale Investments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2017 (27)
Other comprehensive loss (6)
Balance, December 31, 2018 (33)
Total  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2017 (413)
Balance, December 31, 2018 $ (1,250)