Annual report pursuant to Section 13 and 15(d)

Inventories (Schedule Of Inventories) (Details)

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Inventories (Schedule Of Inventories) (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Inventories [Abstract]    
Finished goods $ 8,056,000 $ 12,083,000
Raw and processed materials 5,928,000 10,122,000
Inventories $ 13,984,428 $ 22,204,902