Basis of Presentation - Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect on income before income taxes	$ (342)	$ (232)
Effect on income taxes	48	36
Effect on net income	$ (294)	$ (196)
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Outstanding (in shares)	13,540	35,203
Released (in shares)	(13,540)	(21,663)
Ending Outstanding (in shares)	0	13,540
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning Outstanding, Weighted Average Grant Date Fair Value (usd per share)	$ 7.98	$ 10.13
Released, Weighted Average Grant Date Fair Value (usd per share)	7.98	11.47
Ending Outstanding, Weighted Average Grant Date Fair Value (usd per share)	$ 0.00	$ 7.98
Restricted Stock | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period (in years)	4 years
Restricted Stock | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period (in years)	2 years
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (in shares)	1,627,477	1,063,324
Granted (in shares)	344,075	282,500
Exercised (in shares)	0	0
Forfeited (in shares)	(33,642)	0
Outstanding at end of period (in shares)	1,937,910	1,345,824
Exercisable at end of period (in shares)	1,189,855	802,703
Weighted average fair value of options granted during the period (usd per share)	$ 3.03	$ 6.09
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period, Weighted Average Exercise Price (usd per share)	9.11	7.37
Granted, Weighted Average Exercise Price (usd per share)	5.25	9.98
Exercised, Weighted Average Exercise Price (usd per share)	0.00	0.00
Forfeited, Weighted Average Exercise Price (usd per share)	14.90	0.00
Outstanding at end of period, Weighted Average Exercise Price (usd per share)	8.34	7.91
Exercisable at end of period, Weighted Average Exercise Price (usd per share)	$ 9.21	$ 7.81
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk free interest rate	2.00%	2.00%
Expected life	6 years	6 years
Dividend rate	0.00%	0.00%
Volatility	62.00%	67.00%
Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option expiration period (in years)	10 years
Option vesting period (in years)	4 years
Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period (in years)	6 months