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3. ASC Topic 606, Revenue from Contracts with Customers (Details) - USD ($)
4 Months Ended 8 Months Ended 12 Months Ended
Dec. 31, 2018
Aug. 27, 2018
Dec. 31, 2019
Successor      
Product sales revenue $ 3,006,320   $ 11,607,638
Royalty revenue 0   159,125
Revenues $ 3,006,320   $ 11,766,763
Predecessor      
Product sales revenue   $ 5,639,552  
Royalty revenue   134,000  
Revenues   $ 5,773,552