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v3.20.4

Sales (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Total sales | $ 8,300,000 | $ 32,252,000
Concentration Risk, Percentage | 100.00% | 100.00%
Disposal fee income | $ 16,000 | $ 3,000
Disposal fee income concentration risk percentage during the period. | 0.20% | 0.00%
Sales | $ 8,316,000 | $ 32,255,000
Customer Concentration Risk [Member] |  |
Concentration Risk, Percentage | 99.80% | 100.00%
Sales Of Produced Inventory [Member] |  |
Concentration Risk, Percentage | 0.00% | 30.70%
Sales Revenue, Goods, Net | $ 0 | $ 9,889,000
Sales Of Produced Inventory [Member] | Company A [Member] |  |
Concentration Risk, Percentage | 0.00% | 23.20%
Sales Revenue, Goods, Net | $ 0 | $ 7,483,000
Sales Of Produced Inventory [Member] | Company B [Member] |  |
Concentration Risk, Percentage | 0.00% | 7.50%
Sales Revenue, Goods, Net | $ 0 | $ 2,406,000
Sale Of Purchased Inventory [Member] |  |
Concentration Risk, Percentage | 99.80% | 69.30%
Sales Revenue, Goods, Net | $ 8,300,000 | $ 22,363,000
Sale Of Purchased Inventory [Member] | Company B [Member] |  |
Concentration Risk, Percentage | 0.00% | 10.90%
Sales Revenue, Goods, Net | $ 0 | $ 3,525,000
Sale Of Purchased Inventory [Member] | Company C [Member] |  |
Concentration Risk, Percentage | 99.80% | 24.80%
Sales Revenue, Goods, Net | $ 8,300,000 | $ 7,990,000
Sale Of Purchased Inventory [Member] | Company D [Member] |  |
Concentration Risk, Percentage | 0.00% | 33.60%
Sales Revenue, Goods, Net | $ 0 | $ 10,848,000

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