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Note 9 - Inventories, Net of Continuing Operations - Inventories (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Raw materials $ 1,385,000 $ 1,545,000
Work in process 2,808,000 3,110,000
Finished goods 6,837,000 9,766,000
In Transit 115,000 100,000
Allowance for excess quantities (501,000) (562,000)
Total inventories $ 10,643,911 $ 13,959,499