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Significant Accounting Policies - Advertising Expenses (Details Narrative) (USD $)	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Notes to Financial Statements
Advertising expense	$ 234,798	$ 218,279

X

- Details

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Namespace Prefix:	SOTK_
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Balance Type:	na
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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

+ Details

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Balance Type:	debit
Period Type:	duration