Related Party Transactions - Additional Information (Detail) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Dec. 22, 2014 Individual $ / shares shares	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($)	Dec. 18, 2014 $ / shares	Sep. 30, 2014 USD ($) shares
Related Party Transaction [Line Items]
Fees incurred to law firm | $		$ 23	$ 39	$ 99	$ 184
Accrued liabilities for unbilled services | $		25		25			$ 15
Outstanding loan amount | $		$ 26		$ 26			$ 26
Common stock, shares issued		4,368,169		4,368,169			4,276,470
Common stock restriction period				2 years
Common Stock [Member]
Related Party Transaction [Line Items]
Common stock price per share | $ / shares	$ 7.68					$ 8.36
Number of days to calculate average price of common stock				20 days
Warrant [Member]
Related Party Transaction [Line Items]
Number of individual issued warrants | Individual	2
Warrants issued to individuals	74,802
Exercise price of warrant | $ / shares	$ 14.00
Warrants expiration date	Dec. 22, 2019
Board of Directors Chairman [Member] | Common Stock [Member]
Related Party Transaction [Line Items]
Common stock, shares issued	35,905
Board of Directors Chairman [Member] | Warrant [Member]
Related Party Transaction [Line Items]
Warrants issued to individuals	35,905
Majority Shareholder [Member] | Common Stock [Member]
Related Party Transaction [Line Items]
Common stock, shares issued	38,897
Majority Shareholder [Member] | Warrant [Member]
Related Party Transaction [Line Items]
Warrants issued to individuals	38,897
MediaMission Holding B.V. [Member]
Related Party Transaction [Line Items]
Amount payable, total | $		$ 144		$ 144			$ 370