Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill - Additional Information (Detail)

v3.4.0.3
Intangible Assets and Goodwill - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Jun. 30, 2015
Goodwill And Intangible Assets Disclosure [Abstract]      
Intangible assets and goodwill impairment     $ 0
Amortization expense $ 14,000 $ 18,000