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Stock-Based Incentive Plan - Unvested Restricted Stock (Details)	6 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Restricted Stock, Service-Based
Number of Restricted Shares
Granted (in shares) | shares	112,155
Unvested at the end of the period (in shares) | shares	220,068
Weighted Average Grant-Date Fair Value
Granted (in dollars per share) | $ / shares	$ 6.96
Unvested at the end of the period (in dollars per share) | $ / shares	$ 6.68
Restricted Stock, Performance-Based
Number of Restricted Shares
Unvested at the end of the period (in shares) | shares	50,360
Weighted Average Grant-Date Fair Value
Unvested at the end of the period (in dollars per share) | $ / shares	$ 5.67
Restricted Stock, Market-Based
Number of Restricted Shares
Unvested at the end of the period (in shares) | shares	50,359
Weighted Average Grant-Date Fair Value
Unvested at the end of the period (in dollars per share) | $ / shares	$ 5.44
Restricted Stock
Number of Restricted Shares
Unvested at the beginning of the period (in shares) | shares	391,624
Vested (in shares) | shares	(163,431)
Forfeited (in shares) | shares	(19,561)
Unvested at the end of the period (in shares) | shares	320,787
Weighted Average Grant-Date Fair Value
Unvested at the beginning of the period (in dollars per share) | $ / shares	$ 6.22
Vested (in dollars per share) | $ / shares	6.52
Forfeited (in dollars per share) | $ / shares	6.16
Unvested at the end of the period (in dollars per share) | $ / shares	$ 6.33
Additional disclosures of restricted stock
Unrecognized stock compensation expense related to Restricted Stock | $	$ 1,510,203
Weighted average remaining service period over which unrecognized compensation cost is expected to be recognized	1 year 4 months 21 days
Contingent Restricted Stock, Performance-Based
Number of Restricted Shares
Unvested at the end of the period (in shares) | shares	36,688
Weighted Average Grant-Date Fair Value
Unvested at the end of the period (in dollars per share) | $ / shares	$ 7.04
Additional disclosures of restricted stock
Potential future compensation expense | $	$ 115,665
Contingent Restricted Stock, Market-Based
Number of Restricted Shares
Unvested at the end of the period (in shares) | shares	25,180
Weighted Average Grant-Date Fair Value
Unvested at the end of the period (in dollars per share) | $ / shares	$ 3.42
Contingent Restricted Stock
Number of Restricted Shares
Unvested at the beginning of the period (in shares) | shares	113,270
Vested (in shares) | shares	(46,630)
Forfeited (in shares) | shares	(4,772)
Unvested at the end of the period (in shares) | shares	61,868
Weighted Average Grant-Date Fair Value
Unvested at the beginning of the period (in dollars per share) | $ / shares	$ 4.64
Vested (in dollars per share) | $ / shares	3.34
Forfeited (in dollars per share) | $ / shares	5.30
Unvested at the end of the period (in dollars per share) | $ / shares	$ 5.57
Additional disclosures of restricted stock
Unrecognized stock compensation expense related to Restricted Stock | $	$ 84,005	[1]
Weighted average remaining service period over which unrecognized compensation cost is expected to be recognized	1 year 11 days
[1] Excludes $115,665 of potential future compensation expense for contingent performance-based awards for which vesting is not considered probable at this time for accounting purposes.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Potential Future Allocated Share based Compensation Expense Not Probable

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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