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Stockholders' Equity (Details)	3 Months Ended
	May 31, 2017 $ / shares shares
Number of Warrant Shares
Balance, beginning | shares	1,647,670
Granted | shares	550,000
Exercised | shares	(22,548)
Expired | shares	(314,667)
Balance, ending | shares	1,860,455
Earned and exercisable, Ending | shares	836,705
Unvested, May 31, 2017 | shares	1,023,750
Exercise Price Range Per Share
Granted	$ 5.25
Exercised	0.80
Expired	6.00
Weighted Average Exercise Price
Balance, beginning	2.91
Granted	5.25
Exercised	0.80
Expired	6.00
Balance, ending	3.11
Earned and exercisable, May 31, 2017	2.82
Unvested, May 31, 2017	3.34
Minimum [Member]
Exercise Price Range Per Share
Balance, beginning	0.80
Balance, ending	0.80
Earned and exercisable, May 31, 2017	0.80
Unvested, May 31, 2017	0.80
Maximum [Member]
Exercise Price Range Per Share
Balance, beginning	6.00
Balance, ending	6.00
Earned and exercisable, May 31, 2017	6.00
Unvested, May 31, 2017	$ 5.25

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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