Note 9: 401(k) Retirement Plan: 401(k) Retirement Plan (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Details
Defined Contribution Plan, Administrative Expense	$ 341	$ 279

Amount of administrative expense incurred by defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanAdministrativeExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration