Earnings Per Share - Summary of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Numerator:
Net income (loss) - numerator for basic earnings per share and diluted earnings per share - available to common stockholders	$ 1,485	$ 2,562
Denominator for basic earnings per share:
Weighted-average shares	7,436	7,482
Denominator for diluted earnings per share:
Adjusted weighted-average shares and assumed conversions	7,457	7,648
Basic earnings per share	$ 0.20	$ 0.34
Diluted earnings per share	$ 0.20	$ 0.33
Stock Options
Denominator for basic earnings per share:
Effect of dilutive shares	21	136
Restricted Stock
Denominator for basic earnings per share:
Effect of dilutive shares		30