Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Current Assets
Allowance for doubtful accounts	$ 5,009	$ 2,846
Stockholders' Equity
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	13,150,469	9,848,253
Common stock, shares outstanding	13,150,469	9,848,253
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0