Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Current
Allowance for doubtful accounts	$ 1	$ 1
Inventory allowance	930	831
Section 263A capitalized costs	246	389
Total current deferred tax assets	1,177	1,221
Valuation allowance	(1,177)	(1,221)
Total net deferred taxes	0	0
Long-term
Loss carryforwards	5,309	5,330
Depreciation	(46)	(58)
Total long-term deferred tax assets	5,263	5,272
Valuation allowance	(5,263)	(5,272)
Total net deferred tax assets	$ 0	$ 0