Annual report pursuant to Section 13 and 15(d)

SELECTED FINANCIAL STATEMENT CAPTIONS - ASSETS (Details)

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SELECTED FINANCIAL STATEMENT CAPTIONS - ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials and components $ 1,486 $ 1,187
Work-in-process 721 1,629
Finished goods 6,064 5,204
Inventory reserve (1,184) (49)
Total $ 7,087 $ 7,971