Annual report pursuant to Section 13 and 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) - USD ($)
Jun. 30, 2020
Jul. 01, 2019
Jun. 30, 2019
New Accounting Pronouncement, Early Adoption [Line Items]      
Right-of-use assets recorded under new standard $ 383,000 $ 605,000 $ 0
Current 245,000 227,000 0
Long-term 165,000 406,000 $ 0
Total 410,000 633,000  
Accounting Standards Update 2016-02 [Member]      
New Accounting Pronouncement, Early Adoption [Line Items]      
Right-of-use assets recorded under new standard 600,000 605,000  
Current   227,000  
Long-term   406,000  
Total $ 600,000 633,000  
Eliminate previously existing deferred rent liability   (28,000)  
Net increase in liabilities due to adoption of new standard   $ 605,000