Revenues - Product Revenue Allowance and Reserve Categories (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance	$ 0
Provision related to sales in the current year	647
Adjustments related to prior period sales	0
Credits and payments made	138
Ending balance	509
Trade discounts and allowances
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance	0
Provision related to sales in the current year	165
Adjustments related to prior period sales	0
Credits and payments made	58
Ending balance	107
Chargebacks and administrative fees
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance	0
Provision related to sales in the current year	142
Adjustments related to prior period sales	0
Credits and payments made	52
Ending balance	90
Government rebates and other incentives
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance	0
Provision related to sales in the current year	221
Adjustments related to prior period sales	0
Credits and payments made	28
Ending balance	193
Returns
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning balance	0
Provision related to sales in the current year	119
Adjustments related to prior period sales	0
Credits and payments made	0
Ending balance	$ 119