Stock-Based Compensation - Additional Information (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Stock Repurchased During Period, Shares	41,566
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized		900,000
Common Stock, Capital Shares Reserved for Future Issuance		787,219
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		8 years 10 months 21 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		15,000
Proceeds from Stock Options Exercised		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number		5,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		2,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value		$ 5.42
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value		0	$ 0
Employee Stock Option [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 10,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year 7 months 6 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		137,500
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		2 years 6 months
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options		$ 465,000
Restricted Stock [Member] | Director [Member] | Standstill Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			5,400
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost			$ 37,000
Performance Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			50,000
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost			$ 1,745,000
Performance Stock Awards [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			7,500
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost			$ 43,000