XML 51 R49.htm IDEA: XBRL DOCUMENT v2.4.0.8

Assets and Liabilities that are Required to be Presented on Balance Sheet at Fair Value, Recurring (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	May 31, 2012	Mar. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent liabilities	$ 841
Contingent Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent liabilities	841
Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant derivative liabilities	0	473	452
Fair Value, Inputs, Level 1 | Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant derivative liabilities
Fair Value, Inputs, Level 2 | Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant derivative liabilities			452
Fair Value, Inputs, Level 3 | Contingent Liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent liabilities	841
Fair Value, Inputs, Level 3 | Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrant derivative liabilities

X

- Definition

Noncurrent portion of the fair value as of the acquisition date of potential payments under the contingent consideration arrangement, including cash and shares as applicable.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Derivative instrument obligations meeting the definition of a liability which the Company is a party to as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 15

-Paragraph 83

-URI http://asc.fasb.org/extlink&oid=6913464&loc=d3e34841-113949



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 10

-Subparagraph i

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 6

-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:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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