Stock-Based Compensation (Stock Based Compensation Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
	Jan. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Sep. 30, 2014
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expenses			$ 0
Weighted average fair value of options granted			$ 0.73
Expected volatility (as a percent)			76.00%
Risk-free interest rate (as a percent)			2.00%
Expected term (in years)			6 years
Dividend yield (as a percent)			0.00%
Options outstanding			606,379
Shares options vested			0
Stock options | Executive Officer and Certain Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		542,550
Exercise price (in dollars per share)		$ 3.98
Stock options | Executive Officer and Certain Consultants | Upon closing of IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		25.00%
Stock options | Executive Officer and Certain Consultants | Period following closing of IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Employee Stock Option | Executive
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	63,829
Exercise price (in dollars per share)	$ 3.98
Employee Stock Option | Executive | Upon closing of IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	25.00%
Employee Stock Option | Executive | Period following closing of IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted			0
Share based compensation expenses			$ 0
Shares outstanding			579,882
Restricted stock vested			0
Restricted stock | Executive Officer and Certain Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted		579,882
Restricted stock | Executive Officer and Certain Consultants | Upon closing of IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		25.00%
Restricted stock | Executive Officer and Certain Consultants | Period following closing of IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant				1,288,581
Shares available for issuance			102,320
2014 Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual life (in years)			10 years
Granted (in shares)			63,829
Exercise price (in dollars per share)		$ 3.98	$ 3.98
Options outstanding		542,550	606,379