The prearranged time frame for which the collaborative arrangements is executed.

No definition available.

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- Definition

Number of U.S.-based national and international marketing partners that the specific product was sold.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Number of years a specific product was sold under various collaborative arrangements.

+ References

No definition available.

+ Details

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- Definition

Percentage of revenue generated from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

No definition available.

+ Details

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Namespace Prefix:	surg_
Data Type:	num:percentItemType
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- Details

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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OEM Neurosurgery Partner Agreements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015 Partner	Jan. 31, 2014
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Number of U.S. based national and international marketing partners			2
Net sales	$ 18,189us-gaap_SalesRevenueGoodsNet	$ 15,096us-gaap_SalesRevenueGoodsNet	$ 34,836us-gaap_SalesRevenueGoodsNet	$ 30,626us-gaap_SalesRevenueGoodsNet
Codman collaborative arrangement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Numbers of years a product was sold			30 years
Net sales	5,010	3,090	8,818	7,191
Percent of net sales (in hundredths)	27.50%	20.50%	25.30%	23.50%
Codman collaborative arrangement [Member] \| Bipolar generators and related disposables and accessories [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Collaborative arrangement time frame			3 years
Codman collaborative arrangement [Member] \| Malis Spetzler Trademark [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Collaborative arrangement time frame			3 years
Stryker Collaborative Arrangement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Net sales	$ 2,708	$ 2,452	$ 5,689	$ 4,613
Percent of net sales (in hundredths)	14.90%	16.20%	16.30%	15.10%