CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
CONDENSED CONSOLIDATED BALANCE SHEETS
Allowance for Doubtful Accounts Receivable	$ 196	$ 326
Common Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	40,000,000	40,000,000
Common Stock, shares issued	21,241,066	21,241,066
Common Stock, shares outstanding	18,347,351	18,347,351
Treasury Stock, shares	2,893,715	2,893,715