Quarterly report pursuant to Section 13 or 15(d)

NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of adoption (Details)

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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of adoption (Details)
Feb. 12, 2021
item
Oct. 23, 2020
Oct. 07, 2020
$ / shares
Mar. 31, 2021
$ / shares
shares
Feb. 17, 2021
shares
Feb. 16, 2021
shares
Jun. 30, 2020
$ / shares
shares
Aug. 31, 2019
$ / shares
Nature of operations and Significant accounting policies                
Reverse stock split, Exchange ratio     0.02          
Common Stock, par value | $ / shares     $ 0.001 $ 0.001     $ 0.001 $ 0.001
Common stock, shares authorized       10,000,000 10,000,000 500,000,000 500,000,000  
Preferred stock, shares authorized       400,000 400,000 20,000,000 20,000,000  
Number of wholly owned subsidiaries | item 2              
Minimum                
Nature of operations and Significant accounting policies                
Reverse stock split, Exchange ratio   50            
Maximum                
Nature of operations and Significant accounting policies                
Reverse stock split, Exchange ratio   1