Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2017
Jun. 30, 2017
|Accounts receivable, allowance for doubtful accounts||$ 1,758||$ 1,667|
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.
Reference 1: http://www.xbrl.org/2003/role/presentationRef