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Basis of Presentation and Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Inventories Inventories consist of the following:

 

 

 

March 31,

 

 

December 31,

 

 

 

2020

 

 

2019

 

Inventories:

 

 

 

 

 

 

 

 

Raw material

 

$

325

 

 

$

325

 

Work in process

 

 

8,383

 

 

 

8,390

 

Finished goods

 

 

8,601

 

 

 

7,285

 

 

 

$

17,309

 

 

$

16,000