Supplemental Cash Flow Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012
Cash paid for:
Interest	$ 796	$ 356
Income taxes, net of refunds	48	(249)
Non-cash activity:
Reduction of note receivable for acquisition of StingRay56		250
Receipt of note receivable in conjunction with the sale of the Chroma property		690
Stock grant related to the acquisition of StingRay56	$ 166	$ 7