Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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.

+ 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 reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The ceiling 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.

+ References

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
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Stock Options - Summary of Information About Options Outstanding (Details) - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Range of Exercise Prices lower	$ 5.98
Range of Exercise Prices upper	$ 7.00
Number of Options	149,600
Weighted Average Exercise Price Per Share	$ 6.54
Weighted Average Remaining Contract Life in Years	5 years 4 months 2 days
Aggregate Intrinsic Value				$ 154,062
Range One [Member]
Range of Exercise Prices lower	$ 5.98
Range of Exercise Prices upper	$ 6.25
Number of Options	41,000
Weighted Average Exercise Price Per Share	$ 6.00
Range Two [Member]
Range of Exercise Prices lower	6.26
Range of Exercise Prices upper	$ 6.50
Number of Options	28,600
Weighted Average Exercise Price Per Share	$ 6.29
Range Three [Member]
Range of Exercise Prices lower	6.51
Range of Exercise Prices upper	$ 6.80
Number of Options	40,000
Weighted Average Exercise Price Per Share	$ 6.80
Range Four [Member]
Range of Exercise Prices lower	6.81
Range of Exercise Prices upper	$ 7.00
Number of Options	40,000
Weighted Average Exercise Price Per Share	$ 7.00