Basis of Presentation - Stock-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect on income before income taxes	$ (232)	[1]	$ (176)	[1]
Effect on income taxes	36		40
Effect on net income	$ (196)		$ (136)
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Outstanding (in shares)	35,203		69,154
Released (in shares)	(21,663)		(30,828)
Forfeited (in shares)	0		0
Ending Outstanding (in shares)	13,540		38,326
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)	$ 10.13		$ 10.13
Released, Weighted Average Grant Date Fair Value (usd per share)	$ 11.47		$ 10.08
Forfeited, Weighted Average Grant Date Fair Value (usd per share)	$ 0.00		$ 0.00
Ending Outstanding, Weighted Average Grant Date Fair Value (usd per share)	$ 7.98		$ 10.17
Restricted Stock [Member] | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period (in years)	4 years
Restricted Stock [Member] | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period (in years)	2 years
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (in shares)	1,063,324		1,059,417
Granted (in shares)	282,500		220,000
Exercised (in shares)	0		(2,230)
Forfeited (in shares)	0		(2,114)
Outstanding at end of period (in shares)	1,345,824		1,275,073
Exercisable at end of period (in shares)	802,703		924,593
Weighted average fair value of options granted during the period (usd per share)	$ 6.09		$ 4.38
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)	$ 7.37		$ 6.71
Granted, Weighted Average Exercise Price (usd per share)	$ 9.98		$ 7.01
Exercised, Weighted Average Exercise Price (usd per share)	$ 0.00		$ 3.82
Forfeited, Weighted Average Exercise Price (usd per share)	$ 0.00		$ 8.03
Outstanding at end of period, Weighted Average Exercise Price (usd per share)	$ 7.91		$ 6.76
Exercisable at end of period, Weighted Average Exercise Price (usd per share)	$ 7.81		$ 7.04
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	67.00%		69.00%
Stock Options [Member] | 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 [Member] | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option vesting period (in years)	2 years

[1] Stock-based compensation expense is included in selling, general and administrative expenses.