Annual report pursuant to Section 13 and 15(d)

Note 5 - Restricted Cash (Details Textual)

v3.19.2
Note 5 - Restricted Cash (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Restricted Cash Equivalents, Total $ 0 $ 0  
Letter of Credit Issued for Workers Compensation Obligation [Member]      
Letters of Credit Outstanding, Amount   $ 5,900 $ 7,300