Stockholders' Equity (Details) - USD ($)	3 Months Ended	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Feb. 01, 2019	Nov. 27, 2017
Class of Stock [Line Items]
Stock repurchase program authorized amount				$ 15,000,000	$ 5,000,000
Stock repurchase program shares repurchased (in shares)		300,000
Repurchase of company stock		$ 3,405,000	$ 1,500,000
Remaining authorized repurchase amount	$ 5,400,000	$ 5,400,000
Common Stock
Class of Stock [Line Items]
Exercise of options (in shares)	21,000	24,000
Shares canceled or surrendered as payment of tax withholding (in shares)	300,000	300,000