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Inventories: Inventories (Tables)
 6 Months Ended
Jun. 30, 2019
Tables/Schedules  
Inventories

 

 

June 30, 2019

December 31, 2018

Raw material

 $             2,702,486

 

 $             2,798,918

Work-in-process

                1,873,733

 

                1,878,977

Finished goods

                2,097,604

 

                2,001,496

Inventory, gross

                6,673,823

 

                6,679,391

Valuation reserves

                  (575,000)

 

                  (579,000)

Inventories, net

 $             6,098,823

 

 $             6,100,391