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Note 11 - Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash Payments:    
Interest $ 742 $ 1,133
Income taxes 3
Issuance of common shares as compensation 150 180
Issuance of common shares to fund deferred compensation plan $ 47 $ 189