Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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-Name Accounting Standards Codification

-Topic 210

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-Section S99

-Paragraph 1

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- Definition

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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-Number 129

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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-Name Accounting Standards Codification

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-Section S99

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- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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-Name Statement of Financial Accounting Standard (FAS)

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-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.

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-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.

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-Glossary Financing Activities

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Represents the per share price of common shares of an entity that have been sold or granted to shareholders during the year.

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- Definition

Represents the fees and expenses related to the offering of the Company common shares.

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EQUITY TRANSACTIONS (Details) (USD $)	1 Months Ended	9 Months Ended
EQUITY TRANSACTIONS (Details) (USD $)	Aug. 31, 2011	Sep. 30, 2011	Aug. 24, 2011	Dec. 31, 2010	Feb. 16, 2010 Stock option plan, 2001	Jul. 14, 2010 Equity incentive plan, 2010	Jul. 14, 2010 Stand-Alone Stock Option Agreement	Aug. 02, 2011 1994 Employee Stock Purchase Plan
Equity transactions
Common stock shares registered to be issued (in shares)					1,000,000	16,615,199	400,000	600,000
Common stock, par value (in dollars per share)		$ 0.001		$ 0.001	$ 0.001	$ 0.001	$ 0.001	$ 0.001
Common stock shares sold (in shares)		88,882,000	6,889,098	81,568,000
Common stock sale price of shares (in dollars per share)	$ 6.65
Net proceeds from issuance of common stock	$ 45,800,000	$ 45,284,000
Fees and expenses related to offering of common stock	$ 529,000