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Nature of Operations and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Mar. 31, 2013

Nature of Operations and Summary of Significant Accounting Policies [Abstract]

Potentially dilutive common shares

		Three Months Ended March 31,								Six Months Ended March 31,
		2013				2012				2013				2012
Stock options			2,672,758				3,907,535				2,672,758				3,907,535
Warrants			6,667				55,522				6,667				55,522
Restricted stock units			680,004				455,835				680,004				455,835
Total potentially dilutive common shares outstanding			3,359,429				4,418,892				3,359,429				4,418,892

Computation of basic and diluted loss per share

		Three Months Ended March 31,								Six Months Ended March 31,
		2013				2012				2013				2012
Net loss		$	(2,393,275	)		$	(2,847,356	)		$	(3,752,917	)		$	(2,821,082	)
Weighted average common shares outstanding - basic			26,473,938				25,013,284				26,246,642				24,700,047
Effect of dilutive common share equivalents			—				—				—				—
Weighted average common shares and share equivalents outstanding - diluted			26,473,938				25,013,284				26,246,642				24,700,047
Net loss per share - basic		$	(0.09	)		$	(0.11	)		$	(0.14	)		$	(0.11	)
Net loss per share - diluted		$	(0.09	)		$	(0.11	)		$	(0.14	)		$	(0.11	)

Components of comprehensive loss

			Three months ended March 31,								Six months ended March 31,
		2013				2012				2013				2012
Net loss		$	(2,393,275	)		$	(2,847,356	)		$	(3,752,917	)		$	(2,821,082	)
Other comprehensive loss:
Change in unrealized (losses) gains on marketable securities			(1,842	)			5,118				2,536				10,049
Total comprehensive loss		$	(2,395,117	)		$	(2,842,238	)		$	(3,750,381	)		$	(2,811,033	)

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- Definition

Potentially dilutive common shares.

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- Definition

Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e526-108580

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Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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