Prepaid Expenses and Other (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid insurance	$ 796	$ 2,596
Stock option receivable	55	2
Litigation receivable	23	23
Prepaid events	224	203
Prepaid marketing	416	587
Prepaid software license	259	220
Prepaid professional fees	216	251
Other prepaid items	907	414
Prepaid Expenses and Other	$ 2,896	$ 4,296