Debt - Principal and Interest Payments on Debt (Detail) $ in Thousands	Jun. 30, 2016 USD ($)
Debt Disclosure [Abstract]
2016, Principal	$ 3,050
2017, Principal	6,428
2018, Principal	6,892
2019, Principal	3,630
Total, Principal	20,000
2016, Interest	654
2017, Interest	980
2018, Interest	517
2019, Interest	1,474
Total, Interest	3,625
2016, Total	3,704
2017, Total	7,408
2018, Total	7,409
2019, Total	5,104
Total	$ 23,625