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RESEARCH AND LICENSE AGREEMENTS WITH PRINCETON UNIVERSITY, UNIVERSITY OF SOUTHERN CALIFORNIA AND THE UNIVERSITY OF MICHIGAN - Additional Information (Details) - USD ($)			3 Months Ended		36 Months Ended	46 Months Ended	48 Months Ended	84 Months Ended	120 Months Ended
	May 01, 2017	Jun. 01, 2013	Mar. 31, 2017	Mar. 31, 2016	Apr. 30, 2009	Mar. 31, 2017	Apr. 30, 2013	Apr. 30, 2013	Jul. 31, 2007
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Royalty expense			$ 1,587,000	$ 875,000
1997 Research Agreement [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Term of agreement (in years)									10 years
2006 Research Agreement - Original Term [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Term of agreement (in years)					3 years		4 years
Research and development expense incurred								$ 5,000,000
2006 Research Agreement - Extended Term [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Term of agreement (in years)		4 years
Research and development expense incurred						$ 4,300,000
Maximum obligation			1,200,000			1,200,000
2006 Research Agreement - Extended Term Three [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Maximum obligation			$ 7,200,000			$ 7,200,000
2006 Research Agreement - Extended Term Three [Member] | Subsequent Event [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Term of agreement (in years)	3 years
1997 Amended License Agreement [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Royalty rate for licensed products sold by the Company (in hundredths)			3.00%
Royalty rate for licensed products sold by the Company's sublicenses (in hundredths)			3.00%
Minimum royalty payment per year			$ 100,000
Royalty expense			1,600,000	$ 875,000
Minimum investment per year			$ 800,000

X

- Definition

The maximum amount the Company is obligated to pay under the specified research agreement, as of the balance sheet date.

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- Definition

The royalty rate of net sales price for licensed products sold by the Company, under the specified arrangement.

+ References

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The royalty rate of revenues received by the Company for licensed products sold by the Company's sublicenses, under the specified arrangement.

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The term (in years) of the specified research and development agreement.

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The amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6420387&loc=d3e23199-108380

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6420387&loc=d3e23221-108380

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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
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