Quarterly report pursuant to Section 13 or 15(d)

BALANCE SHEET DETAILS - Inventory (Details)

v3.20.2
BALANCE SHEET DETAILS - Inventory (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Inventory [Line Items]          
Raw materials $ 5,177,000   $ 5,177,000   $ 4,503,000
Inventory, Work in Process, Gross 676,000   676,000   415,000
Finished goods 2,565,000   2,565,000   5,053,000
Inventory 8,418,000   8,418,000   9,971,000
Inventory write-downs 200,000 $ 0 300,000 $ 0  
Non-US          
Inventory [Line Items]          
Inventory $ 0   $ 0   $ 300,000