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)
$ in Thousands
 6 Months Ended
Dec. 31, 2019
USD ($)
item
Jul. 01, 2019
USD ($)
Jun. 30, 2019
USD ($)
New Accounting Pronouncement, Early Adoption [Line Items]      
Right-of-use assets recorded under new standard $ 497 $ 605 $ 0
Operating lease liabilities recorded under new standard: Current 239 227 0
Operating lease liabilities recorded under new standard: Long-term 287 406 $ 0
Total $ 526 $ 633  
Number of wholly owned subsidiaries | item 3    
Accounting Standards Update 2016-02 [Member]      
New Accounting Pronouncement, Early Adoption [Line Items]      
Right-of-use assets recorded under new standard $ 605    
Operating lease liabilities recorded under new standard: Current 227    
Operating lease liabilities recorded under new standard: Long-term 406    
Total 633    
Eliminate deferred rent liability under current accounting standard (28)    
Net increase in liabilities due to adoption of new standard $ 605