5. SHAREHOLDERS' EQUITY (Details 3) (USD $)	12 Months Ended
Aug. 31, 2012
Awards outstanding	$ 726,400
Awards exercisable	484,100
StockOptions [Member]
Exercise price low	$ 1.00
Exercise price high	$ 1.50
Awards outstanding	382,700
Awards outstanding weighted average remaining contractual life	4 years 9 months 18 days
Awards outstanding weighted average exercise price	$ 1.07
Awards exercisable	311,900
Awards exercisable weighted average remaining contractual life	4 years 4 months 24 days
Awards exercisable weighted average exercise price	$ 1.08
StockOptionsOne [Member]
Exercise price low	$ 1.51
Exercise price high	$ 3.00
Awards outstanding	154,600
Awards outstanding weighted average remaining contractual life	4 years 1 month 6 days
Awards outstanding weighted average exercise price	$ 1.88
Awards exercisable	199,800
Awards exercisable weighted average remaining contractual life	3 years 1 month 6 days
Awards exercisable weighted average exercise price	$ 1.73
StockOptionsTwo [Member]
Exercise price low	$ 3.01
Exercise price high	$ 4.50
Awards outstanding	185,100
Awards outstanding weighted average remaining contractual life	5 years
Awards outstanding weighted average exercise price	$ 3.26
Awards exercisable	48,400
Awards exercisable weighted average remaining contractual life	5 years 3 months 18 days
Awards exercisable weighted average exercise price	$ 3.08
StockOptionsThree [Member]
Exercise price low	$ 4.51
Exercise price high	$ 6.68
Awards outstanding	4,000
Awards outstanding weighted average remaining contractual life	5 years
Awards outstanding weighted average exercise price	$ 6.68
Awards exercisable	$ 4,000
Awards exercisable weighted average remaining contractual life	5 years
Awards exercisable weighted average exercise price	$ 6.68

Option awards exercisable

No definition available.

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Namespace Prefix:	simu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Option awards outstanding

+ References

No definition available.

+ Details

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Namespace Prefix:	simu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

+ Details

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