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Nature of Operations and Summary of Significant Accounting Policies - Calculation of Basic and Diluted Net Income (Loss) Per Share (Detail) (USD $)	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share, Basic and Diluted [Abstract]
Net income (loss)	$ 146,180us-gaap_NetIncomeLoss	$ (1,468,300)us-gaap_NetIncomeLoss
Weighted-average common shares outstanding - basic	30,618,097	30,402,397
Weighted-average common shares outstanding - diluted	31,173,815	30,402,397
Net income (loss) per share - Basic	$ 0.00us-gaap_EarningsPerShareBasic	$ (0.05)us-gaap_EarningsPerShareBasic
Net income (loss) per share - Diluted	$ 0.00us-gaap_EarningsPerShareDiluted	$ (0.05)us-gaap_EarningsPerShareDiluted

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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