Supplemental Cash Flow Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Cash paid for:
Interest	$ 814	$ 722
Income taxes, net of refunds	(227)	(119)
Non-cash activity:
Reduction of note receivable for acquisition of StingRay56		250
Stock grant related to the acquisition of StingRay56	166	7
Chroma Property
Non-cash activity:
Receipt of note receivable in conjunction with the sale of properties and subsidiaries		690
Z-Axis Inc
Non-cash activity:
Receipt of note receivable in conjunction with the sale of properties and subsidiaries	1,000
Lexel Imaging, Inc.
Non-cash activity:
Receipt of note receivable in conjunction with the sale of properties and subsidiaries	$ 1,000