Stockholders' Equity (Details) - USD ($)	3 Months Ended
	Sep. 30, 2018	Nov. 27, 2017
Class of Stock [Line Items]
Stock repurchase program authorized amount		$ 5,000,000
Stock repurchase program shares repurchased (in shares)	0
Remaining authorized repurchase amount	$ 3,500,000
Common Stock
Class of Stock [Line Items]
Exercise of options (in shares)	35,000
Shares canceled or surrendered as payment of tax withholding (in shares)	5,000