Summary of Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Summary Of Significant Accounting Policies [Line Items]
Net Income (Loss) Attributable to Parent	$ (6,691,000)us-gaap_NetIncomeLoss	$ (3,118,000)us-gaap_NetIncomeLoss
Working Capital	9,888,000rtgn_WorkingCapital
Retained Earnings (Accumulated Deficit)	$ (10,360,000)	$ (3,669,000)

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

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

-Publisher FASB

-Name Accounting Standards Codification

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

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Glossary Other Comprehensive Income

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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