Stock-based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 05, 2012
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Shares of common stock authorized by 2012 plan (in shares)			500,000
The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Shares available for grant under 2012 plan (in shares)	13,233
Weighted average contractual term for stock options outstanding (in years)	2 years 3 months
Share-based Payment Arrangement, Expense	$ 0.3	$ 0.1
Unrecognized stock-based compensation costs	$ 1.0
Expected weighted average vesting period (in years)	2 years 2 months 12 days
Share-based Payment Arrangement, Option | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Expiration date of options granted (in years)	10 years
Shares outstanding (in shares)	9,000
Stock options granted (in shares)	0
Aggregate intrinsic value of shares outstanding	$ 0.1
Stock options exercisable (in shares)	20,000
Forfeiture of options (in shares)	0
Restricted Stock Units (RSUs) | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Shares outstanding (in shares)	360,134
Aggregate intrinsic value of shares outstanding	$ 1.1
Restricted stock awards (in shares)	289,800
Fair value of restricted stock award grants (in dollars per share)	$ 3.37
Restricted stock awards vested (in shares)	0
Restricted stock awards forfeited (in shares)	0
Unrecognized stock-based compensation costs	$ 2.7
Portion Relating to RSU Grants Not Expected to be Awarded | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Unrecognized stock-based compensation costs	$ 1.7
Minimum | Share-based Payment Arrangement, Option | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vesting period of shares granted (in years)	1 year
Minimum | Restricted Stock Units (RSUs) | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vesting period of shares granted (in years)	1 year
Maximum | Share-based Payment Arrangement, Option | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vesting period of shares granted (in years)	3 years
Maximum | Restricted Stock Units (RSUs) | The 2012 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vesting period of shares granted (in years)	3 years