XML 33 R18.htm IDEA: XBRL DOCUMENT v2.4.0.8

Earnings Per Share (Tables)

3 Months Ended

Nov. 30, 2013

Earnings Per Share Tables

Computation of basic and diluted earnings per share

		Nine Months Ended November 30,								Three Months Ended November 30,
		2013				2012				2013				2012
Denominator for basic earnings per share			14,504,836				14,478,044				14,508,507				14,500,592
Dilutive effect of stock options			206,003				103,342				266,915				75,618
Denominator for diluted earnings per share			14,710,838				14,581,386				14,775,422				14,576,211

X

- Details

Name:	SOTK_EarningsPerShareTablesAbstract
Namespace Prefix:	SOTK_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

+ Details

Name:	us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration