Quarterly report pursuant to Section 13 or 15(d)

Cost of Sales (Details)

v3.21.2
Cost of Sales (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Inventory        
Cost of product sales $ 0 $ 0 $ 0 $ 5,166,000
Lower of cost or NRV adjustments 1,703,000 1,840,000 5,211,000 6,296,000
Cost of sales $ 1,703,000 $ 1,840,000 $ 5,211,000 $ 11,462,000