Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued Research & Development Expense	$ 258	$ 283
Accrued Compensation and Benefits	2,584	1,018
Accrued Legal Expenses	172	182
Accrued Marketing Expenses	100	61
Other Accrued Liabilities	1,854	2,974
Total Accrued Liabilities	$ 4,968	$ 4,518