Leases Annual Commitments (Detail) - Non-Affiliate $ in Thousands	Mar. 31, 2015 USD ($)
Operating Leased Assets [Line Items]
Operating leases future minimum payments due in 2016	$ 260
Operating leases future minimum payments due in 2017	167
Operating leases future minimum payments due in 2018	108
Operating leases future minimum payments due in 2019	35
Operating leases future minimum payments due Thereafter	0
Operating leases future minimum payments due	$ 570