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SUBSEQUENT EVENTS (Details) - Subsequent Events
Aug. 14, 2020
USD ($)
ft²
Jul. 01, 2020
USD ($)
SUBSEQUENT EVENTS    
Technology investment agreement, government funding | $   $ 53,664,286
Technology investment agreement term   10 years
Purchase of automated assembly and auxiliary equipment | $ $ 20,000,000  
Existing area of land for controlled environment | ft² 27,800  
Area of land for new warehouse | ft² 55,000