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Stock-Based Incentive Plan - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Dec. 08, 2016
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vested (in shares)	0	0	0
Restricted Stock and Contingent Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 888,162	$ 1,366,764
Restricted Stock, Service Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	66,992
Vesting period (in years)	1 year
Shares outstanding (in shares)	112,381
Restricted Stock, Service Based | Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	31,777
Restricted Stock, Service Based | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	35,215
Restricted Stock, Performance Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	0
Restricted Stock, Performance Based | Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	0
Restricted Stock, Market Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	43,990	0
Shares outstanding (in shares)	64,302
Restricted Stock, Market Based | Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	43,990
Contingent Restricted Stock Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)	10,156	28,562
Contingent Restricted Stock Grants | Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	0
2016 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for granting (shares)				1,100,000
Shares available for grant (shares)	852,111
2004 Stock Plan | Restricted Stock and Contingent Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)	4 years
2004 Stock Plan | Service-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)	1 year
Minimum | 2004 Stock Plan | Other Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)	3 years
Maximum | 2004 Stock Plan | Other Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)	4 years

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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