Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
STOCKHOLDERS' EQUITY - Changes in Accumulated Other Comprehensive Loss (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2018 $ 89,861
Other comprehensive income (loss) (14)
Balance, December 31, 2019 75,064
Foreign Currency Translation Adjustments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2018 (1,217)
Other comprehensive income (loss) (28)
Balance, December 31, 2019 (1,245)
Unrealized Gains (Losses) on Available-For-Sale Investments  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2018 (33)
Other comprehensive income (loss) 14
Balance, December 31, 2019 (19)
Total  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Balance, December 31, 2018 (1,250)
Balance, December 31, 2019 $ (1,264)