CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	Total
Balance at beginning at Jun. 30, 2020	$ 12,752	$ 6,310
Share-based compensation expense	508
Share repurchases	(4,039)
Shares withheld from common stock issued to pay employee payroll taxes	(259)
Exercise of stock options	39
ESPP shares issued	58
Net income		5,039	5,039
Balance at end at Mar. 31, 2021	9,059	11,349	20,408
Balance at beginning at Dec. 31, 2020	12,621	9,218
Share-based compensation expense	444
Share repurchases	(4,039)
Shares withheld from common stock issued to pay employee payroll taxes
Exercise of stock options
ESPP shares issued	33
Net income		2,131	2,131
Balance at end at Mar. 31, 2021	9,059	11,349	20,408
Balance at beginning at Jun. 30, 2021	7,953	12,131	20,084
Share-based compensation expense	932
Share repurchases	(1,255)
Shares withheld from common stock issued to pay employee payroll taxes
Exercise of stock options
ESPP shares issued	60
Net income		2,450	2,450
Balance at end at Mar. 31, 2022	7,690	14,581	22,271
Balance at beginning at Dec. 31, 2021	7,886	14,119
Share-based compensation expense	358
Share repurchases	(584)
Shares withheld from common stock issued to pay employee payroll taxes
Exercise of stock options
ESPP shares issued	30
Net income		462	462
Balance at end at Mar. 31, 2022	$ 7,690	$ 14,581	$ 22,271