Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE DISCLOSURES - Schedule Of Assets At Fair Value On A Nonrecurring Basis (Details)

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FAIR VALUE DISCLOSURES - Schedule Of Assets At Fair Value On A Nonrecurring Basis (Details) - Nonrecurring - USD ($)
 3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Inventories $ 634,000  
Total assets 634,000 $ 0
Loss on inventory 525,000  
Loss on total assets 525,000  
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Inventories 0  
Total assets 0  
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Inventories 0  
Total assets 0  
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Inventories 634,000  
Total assets $ 634,000