Prepaid Expenses And Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
OTHER CURRENT ASSETS
Prepaid insurance	$ 1,771	$ 2,029
Prepaid sales and marketing expenses	1,252	1,806
Taxes receivable	438	1,196
Other prepaid expenses and assets	2,879	3,103
Total	$ 6,340	$ 8,134