Inome Taxes (Income Tax Provision) (Detail) - USD ($) $ in Thousands	3 Months Ended										12 Months Ended
	Mar. 31, 2016	[1]	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	[1]	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Mar. 31, 2015
Federal											$ 97	$ 92	$ 0
State											551	457	276
Foreign											71	1	0
Total current income tax provision											719	550	276
Deferred:
Federal											95	2,602	1,578
State											(854)	(363)	365
Foreign											(807)	0	0
Total deferred tax provision											(1,566)	2,239	1,943
Income tax provision	$ (1,498)		$ (557)	$ 423	$ 785	$ 79		$ 627	$ 1,411	$ 672	$ (847)	$ 2,789	$ 2,219

[1] Comparability affected by the decrease in fiscal 2016 and 2015 in the valuation allowance related to the deferred tax asset which resulted in a decrease in the provision for income taxes of $1.1 million and $1.5 million, in the fourth quarter of fiscal 2016 and 2015, respectively.