SCHEDULE II - Valuation and qualifying accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Allowances for doubtful accounts
Valuation and Qualifying Accounts
Beginning Balance	$ 2,127	$ 1,764	$ 1,811
Charged to cost and expenses	299	400	188
Deductions	577	37	235
Ending Balance	1,849	2,127	1,764
Allowances for back-to-stock returns
Valuation and Qualifying Accounts
Beginning Balance	2,552	3,267	3,730
Net charge (credit) to sales revenue	1,481	(715)	(463)
Ending Balance	4,033	2,552	3,267
Allowances for back-to-stock returns \| Healthy Directions
Valuation and Qualifying Accounts
Charged to cost and expenses	$ 1,400

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Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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- Definition

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Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.

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